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Finding the Fourth Proportional to 5,197.15, 7,799.37 and 4,737.88

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Solution

The fourth proportional to 5,197.15, 7,799.37 and 4,737.88 is: 7,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.15 : 7,799.37 = 4,737.88 : x
  2. Step 2: Convert to fraction form
    5,197.15/7,799.37 = 4,737.88/x
  3. Step 3: Cross multiply
    5,197.15x = 7,799.37 × 4,737.88
  4. Step 4: Simplify right side
    5,197.15x = 36,952,479.14
  5. Step 5: Solve for x
    x = 36,952,479.14/5,197.15
  6. Step 6: Final answer
    x = 7,110.14

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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.