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Finding the Fourth Proportional to 5,291.97, 7,305.17 and 3,803.73

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Solution

The fourth proportional to 5,291.97, 7,305.17 and 3,803.73 is: 5,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.97 : 7,305.17 = 3,803.73 : x
  2. Step 2: Convert to fraction form
    5,291.97/7,305.17 = 3,803.73/x
  3. Step 3: Cross multiply
    5,291.97x = 7,305.17 × 3,803.73
  4. Step 4: Simplify right side
    5,291.97x = 27,786,875.27
  5. Step 5: Solve for x
    x = 27,786,875.27/5,291.97
  6. Step 6: Final answer
    x = 5,250.76

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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.