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Finding the Fourth Proportional to 5,132.76, 7,658.83 and 4,819.29

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Solution

The fourth proportional to 5,132.76, 7,658.83 and 4,819.29 is: 7,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.76 : 7,658.83 = 4,819.29 : x
  2. Step 2: Convert to fraction form
    5,132.76/7,658.83 = 4,819.29/x
  3. Step 3: Cross multiply
    5,132.76x = 7,658.83 × 4,819.29
  4. Step 4: Simplify right side
    5,132.76x = 36,910,110.78
  5. Step 5: Solve for x
    x = 36,910,110.78/5,132.76
  6. Step 6: Final answer
    x = 7,191.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.