Home / 5,715.38-8,572.74-2,204.70

Finding the Fourth Proportional to 5,715.38, 8,572.74 and 2,204.70

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Solution

The fourth proportional to 5,715.38, 8,572.74 and 2,204.70 is: 3,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.38 : 8,572.74 = 2,204.70 : x
  2. Step 2: Convert to fraction form
    5,715.38/8,572.74 = 2,204.70/x
  3. Step 3: Cross multiply
    5,715.38x = 8,572.74 × 2,204.70
  4. Step 4: Simplify right side
    5,715.38x = 18,900,319.88
  5. Step 5: Solve for x
    x = 18,900,319.88/5,715.38
  6. Step 6: Final answer
    x = 3,306.93

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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.