Math
posted by anthony
I'm doing proportions, and I'm kinda confused with this one problem..
x/3=1/5.
the way I do proportions is by cross multiplying, so I get 3=5x?
I don't know what my answer would be?

Ms. Sue
You're right.
Now divide both sides of the equation by 5.
3/5 = x
That makes sense, doesn't it? 3/5 divided by 3 = 1/5
Respond to this Question
Similar Questions

Ratios and proportions
RATIOS AND PROPORTIONS x 3  =  4 2 The boards don't post spacing as we would wish. I suppose the problem is x/4 = 3/2. Multiply left and right sides by 4. That will "cancel" the 4 in the denominator of the left side. Now multiply … 
algebra 1
I am working on cross products of proportions. one question is 5/7 = 3w/21 Can someone help? 
math156proportions
I can solve the proportions by any method. can anyone help me understand this. #1 4/15 = x/5 #2 x/3 = x+10/6 
8th grade Algebra I (junior level math)
Hello, I am currently in Unit 41 (Ratio, and Proportions) and I don't understand how pairs of ratios could form proportions. Could someone give me step by step instructions? 
Chemistry
For this problem would I have to use proportions? 
MathProportions
Solve for x: 2 to x+1=x+2 to 3 or 2 to x+3= x+2 to x+5 (the proportions end up being the same in the end) I keep getting to the part after you FOIL, and then I get stuck 
AP Statistics
12) Which of the following statements is true? 
Statistics
Help Me Please! In a survey of families in which both parents work, one of the questions asked was, "Have you refused a job, promotion, or transfer because it would mean less time with your family? 
Chemistry
What data led to the development of the Law of Multiple Proportions? 
stats
scores on a University exam are normally distributed with a mean of 68 and a standard deviation of 9. use the 689599.7 rule to answer the following questions 1) what proportions of students score between a 59 to 77?