find missing denominator of 3\7=15\? to show equivalent fraction

3 / 7 = 15 / x Multiply both sides by x

3 x / 7 = 15 Multiply both sides by 7

3 x = 15 * 7

3 x = 105 Divide both sides by 3

x = 105 / 3

x = 35

3 / 7 = 15 / 35

or, since 15 = 3*5, multiply by 5/5 and you have

3/7 = 15/x
15/35 = 15/x
x = 35

To find the missing denominator in the equation 3/7 = 15/?, we can set up a proportion.

3/7 = 15/x

To solve for x (the missing denominator), we can cross-multiply:

(3)(x) = (7)(15)

3x = 105

Next, divide both sides of the equation by 3 to isolate x:

x = 105/3

Simplifying the fraction:

x = 35

Therefore, the missing denominator is 35. The equivalent fraction to 3/7 is 15/35.

To find the missing denominator of the fraction 3/7 = 15/?, we need to find a number that is equivalent to 7 by multiplying it by a whole number. In this case, we need to find a whole number to multiply 7 by in order to get to 15.

To do this, we can set up a proportion:

3/7 = 15/x

To solve for x, we can cross multiply:

3 * x = 7 * 15

Simplifying the right side:

3x = 105

Now, divide both sides by 3 to solve for x:

x = 105 / 3

Which simplifies to:

x = 35

Therefore, the missing denominator in the equivalent fraction 3/7 = 15/35.