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Finding the Fourth Proportional to 5,399.96, 7,447.00 and 3,700.93

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Solution

The fourth proportional to 5,399.96, 7,447.00 and 3,700.93 is: 5,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.96 : 7,447.00 = 3,700.93 : x
  2. Step 2: Convert to fraction form
    5,399.96/7,447.00 = 3,700.93/x
  3. Step 3: Cross multiply
    5,399.96x = 7,447.00 × 3,700.93
  4. Step 4: Simplify right side
    5,399.96x = 27,560,850.14
  5. Step 5: Solve for x
    x = 27,560,850.14/5,399.96
  6. Step 6: Final answer
    x = 5,103.90

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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.