Question

do the ratios 3:4 and 30:40 form a proportion? yes no

Explanation:

Step1: Simplify second ratio

Simplify 30:40 by dividing both by 10. We get $\frac{30\div10}{40\div10}=\frac{3}{4}$.

Step2: Compare ratios

The first ratio is 3:4 or $\frac{3}{4}$, and the simplified second - ratio is also $\frac{3}{4}$. Since $\frac{3}{4}=\frac{3}{4}$, they form a proportion.

Answer:

yes