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Finding the Fourth Proportional to 5,737.98, 7,918.70 and 3,499.48

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Solution

The fourth proportional to 5,737.98, 7,918.70 and 3,499.48 is: 4,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.98 : 7,918.70 = 3,499.48 : x
  2. Step 2: Convert to fraction form
    5,737.98/7,918.70 = 3,499.48/x
  3. Step 3: Cross multiply
    5,737.98x = 7,918.70 × 3,499.48
  4. Step 4: Simplify right side
    5,737.98x = 27,711,332.28
  5. Step 5: Solve for x
    x = 27,711,332.28/5,737.98
  6. Step 6: Final answer
    x = 4,829.46

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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.