How do you write 1 is to 2 as 5 is to x as a proportion in fractional notation?(1 point)

Question

Responses

1:3::5:x
ratio of 1 to 3 colon colon ratio of 5 to x

1:2=5:x
ratio of 1 to 2 equals ratio of 5 to x

12=5x
Start Fraction 1 over 2 End Fraction equals Start Fraction 5 over x End Fraction

21=5x

Answer 1

To express "1 is to 2 as 5 is to x" in fractional notation, you would write it as:

\[ \frac{1}{2} = \frac{5}{x} \]

This corresponds to the second response:

1:2=5:x
(ratio of 1 to 2 equals ratio of 5 to x)