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Finding the Fourth Proportional to 5,987.76, 8,265.02 and 4,098.64

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Solution

The fourth proportional to 5,987.76, 8,265.02 and 4,098.64 is: 5,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.76 : 8,265.02 = 4,098.64 : x
  2. Step 2: Convert to fraction form
    5,987.76/8,265.02 = 4,098.64/x
  3. Step 3: Cross multiply
    5,987.76x = 8,265.02 × 4,098.64
  4. Step 4: Simplify right side
    5,987.76x = 33,875,341.57
  5. Step 5: Solve for x
    x = 33,875,341.57/5,987.76
  6. Step 6: Final answer
    x = 5,657.43

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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.