Home / 6,749.09-9,313.67-3,764.85

Finding the Fourth Proportional to 6,749.09, 9,313.67 and 3,764.85

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Solution

The fourth proportional to 6,749.09, 9,313.67 and 3,764.85 is: 5,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.09 : 9,313.67 = 3,764.85 : x
  2. Step 2: Convert to fraction form
    6,749.09/9,313.67 = 3,764.85/x
  3. Step 3: Cross multiply
    6,749.09x = 9,313.67 × 3,764.85
  4. Step 4: Simplify right side
    6,749.09x = 35,064,551.68
  5. Step 5: Solve for x
    x = 35,064,551.68/6,749.09
  6. Step 6: Final answer
    x = 5,195.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.