How do you write 1 is to 2 as 5 is to x

as a proportion in fractional notation?(1 point)
Responses

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

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

21=5x

1 answer

Start Fraction 1 over 2 End Fraction equals Start Fraction 5 over x End Fraction can be simplified to 1/2 = 5/x. Thus, the proportion in fractional notation is: Start Fraction 1 over 2 End Fraction equals Start Fraction 5 over x End Fraction.