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Finding the Fourth Proportional to 3,159.52, 4,737.89 and 1,183.76

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Solution

The fourth proportional to 3,159.52, 4,737.89 and 1,183.76 is: 1,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.52 : 4,737.89 = 1,183.76 : x
  2. Step 2: Convert to fraction form
    3,159.52/4,737.89 = 1,183.76/x
  3. Step 3: Cross multiply
    3,159.52x = 4,737.89 × 1,183.76
  4. Step 4: Simplify right side
    3,159.52x = 5,608,524.67
  5. Step 5: Solve for x
    x = 5,608,524.67/3,159.52
  6. Step 6: Final answer
    x = 1,775.12

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1.5x scale

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.