Home / 5,708.32-8,552-4,789.76

Finding the Fourth Proportional to 5,708.32, 8,552 and 4,789.76

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Solution

The fourth proportional to 5,708.32, 8,552 and 4,789.76 is: 7,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.32 : 8,552 = 4,789.76 : x
  2. Step 2: Convert to fraction form
    5,708.32/8,552 = 4,789.76/x
  3. Step 3: Cross multiply
    5,708.32x = 8,552 × 4,789.76
  4. Step 4: Simplify right side
    5,708.32x = 40,962,027.52
  5. Step 5: Solve for x
    x = 40,962,027.52/5,708.32
  6. Step 6: Final answer
    x = 7,175.85

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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.