please match the definition with the term

a. geometry mean
b. scale factor
c. similar figures
d. proportion
e. ratio

1. two figures that have the same shape but not necessarily the same size
2. an equation that states that two ratios are equal
3. a comparison of two quantities by division
4. the number x such that a/x=x/b, where a, b, and x are positive numbers
5. the ratio of corresponding linear measurements of two similar figures

a. similar figures

b. ratio
c. proportion
d. scale factor
e. geometry mean