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Finding the Fourth Proportional to 5,737.88, 7,906.15 and 5,343.44

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Solution

The fourth proportional to 5,737.88, 7,906.15 and 5,343.44 is: 7,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.88 : 7,906.15 = 5,343.44 : x
  2. Step 2: Convert to fraction form
    5,737.88/7,906.15 = 5,343.44/x
  3. Step 3: Cross multiply
    5,737.88x = 7,906.15 × 5,343.44
  4. Step 4: Simplify right side
    5,737.88x = 42,245,985.27
  5. Step 5: Solve for x
    x = 42,245,985.27/5,737.88
  6. Step 6: Final answer
    x = 7,362.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.