Home / 3,711.08-5,561.82-3,247.76

Finding the Fourth Proportional to 3,711.08, 5,561.82 and 3,247.76

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Solution

The fourth proportional to 3,711.08, 5,561.82 and 3,247.76 is: 4,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.08 : 5,561.82 = 3,247.76 : x
  2. Step 2: Convert to fraction form
    3,711.08/5,561.82 = 3,247.76/x
  3. Step 3: Cross multiply
    3,711.08x = 5,561.82 × 3,247.76
  4. Step 4: Simplify right side
    3,711.08x = 18,063,456.52
  5. Step 5: Solve for x
    x = 18,063,456.52/3,711.08
  6. Step 6: Final answer
    x = 4,867.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.