Proportion 2 - Is it a proportion? Solve for variables.

Does it form a proportion? 
 $\frac{2}{3}=\frac{4}{6}$  

• Yes

• No

Does this form a proportion?
 $\frac{6}{4}=\frac{3}{2}$  

• Yes

• No

Does this form a proportion? 
 $\frac{7}{4}=\frac{6}{3}$  

• Yes

• No

Does this form a proportion?
 $\frac{8}{4}=\frac{8}{3}$  

• Yes

• No

Does this form a proportion?
 $\frac{7.5}{5}=\frac{3}{2}$  

• Yes

• No

Does this form a proportion? 
 $\frac{2x}{6}=\frac{2x}{6}$  

• Yes

• No

Does this form a proportion? 

 $\frac{4.2}{8.4}=\frac{1}{2}$  

• Yes

• No

Is it a proportion?
 $\frac{60}{30}=\frac{140}{70}$  

• Yes

• No

Is it a proportion? 
 $\frac{1}{2}=\frac{1}{4}$  

• Yes

• No

Does this ratio form a proportion? 
 $\frac{2}{8.2}=\frac{3}{12.3}$  

• Yes

• No