Home / 6,691.24-9,234.30-3,707

Finding the Fourth Proportional to 6,691.24, 9,234.30 and 3,707

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Solution

The fourth proportional to 6,691.24, 9,234.30 and 3,707 is: 5,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.24 : 9,234.30 = 3,707 : x
  2. Step 2: Convert to fraction form
    6,691.24/9,234.30 = 3,707/x
  3. Step 3: Cross multiply
    6,691.24x = 9,234.30 × 3,707
  4. Step 4: Simplify right side
    6,691.24x = 34,231,550.10
  5. Step 5: Solve for x
    x = 34,231,550.10/6,691.24
  6. Step 6: Final answer
    x = 5,115.88

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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.