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Finding the Fourth Proportional to 5,940.80, 8,914.27 and 4,310.79

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Solution

The fourth proportional to 5,940.80, 8,914.27 and 4,310.79 is: 6,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.80 : 8,914.27 = 4,310.79 : x
  2. Step 2: Convert to fraction form
    5,940.80/8,914.27 = 4,310.79/x
  3. Step 3: Cross multiply
    5,940.80x = 8,914.27 × 4,310.79
  4. Step 4: Simplify right side
    5,940.80x = 38,427,545.97
  5. Step 5: Solve for x
    x = 38,427,545.97/5,940.80
  6. Step 6: Final answer
    x = 6,468.41

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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.