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Finding the Fourth Proportional to 6,104.59, 8,421.94 and 3,982.61

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Solution

The fourth proportional to 6,104.59, 8,421.94 and 3,982.61 is: 5,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,104.59 : 8,421.94 = 3,982.61 : x
  2. Step 2: Convert to fraction form
    6,104.59/8,421.94 = 3,982.61/x
  3. Step 3: Cross multiply
    6,104.59x = 8,421.94 × 3,982.61
  4. Step 4: Simplify right side
    6,104.59x = 33,541,302.46
  5. Step 5: Solve for x
    x = 33,541,302.46/6,104.59
  6. Step 6: Final answer
    x = 5,494.44

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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.