Respuesta :

lowkeysunset

Answer:

A valid proportion would be 3/4=21/28.

Step-by-step explanation:

You would multiply both the 3 & 4 is 3/4 by 7 to get 21/28.

dianajosephine836

Answer:

3/4=21/28

Step-by-step explanation:

This is because 3×7=21 and 4×7=28

Both numbers in the original fraction must be multiplied by the same number to get the equivalent fraction.