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Finding the Fourth Proportional to 5,869.97, 8,100.63 and 3,217.49

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Solution

The fourth proportional to 5,869.97, 8,100.63 and 3,217.49 is: 4,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.97 : 8,100.63 = 3,217.49 : x
  2. Step 2: Convert to fraction form
    5,869.97/8,100.63 = 3,217.49/x
  3. Step 3: Cross multiply
    5,869.97x = 8,100.63 × 3,217.49
  4. Step 4: Simplify right side
    5,869.97x = 26,063,655.52
  5. Step 5: Solve for x
    x = 26,063,655.52/5,869.97
  6. Step 6: Final answer
    x = 4,440.17

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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.