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Finding the Fourth Proportional to 5,957.87, 8,934.98 and 4,120.79

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Solution

The fourth proportional to 5,957.87, 8,934.98 and 4,120.79 is: 6,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,957.87 : 8,934.98 = 4,120.79 : x
  2. Step 2: Convert to fraction form
    5,957.87/8,934.98 = 4,120.79/x
  3. Step 3: Cross multiply
    5,957.87x = 8,934.98 × 4,120.79
  4. Step 4: Simplify right side
    5,957.87x = 36,819,110.96
  5. Step 5: Solve for x
    x = 36,819,110.96/5,957.87
  6. Step 6: Final answer
    x = 6,179.92

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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.