Home / 5,711.70-7,882.44-3,473.20

Finding the Fourth Proportional to 5,711.70, 7,882.44 and 3,473.20

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Solution

The fourth proportional to 5,711.70, 7,882.44 and 3,473.20 is: 4,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.70 : 7,882.44 = 3,473.20 : x
  2. Step 2: Convert to fraction form
    5,711.70/7,882.44 = 3,473.20/x
  3. Step 3: Cross multiply
    5,711.70x = 7,882.44 × 3,473.20
  4. Step 4: Simplify right side
    5,711.70x = 27,377,290.61
  5. Step 5: Solve for x
    x = 27,377,290.61/5,711.70
  6. Step 6: Final answer
    x = 4,793.19

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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.