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Finding the Fourth Proportional to 3,998.26, 5,992.91 and 1,363.31

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Solution

The fourth proportional to 3,998.26, 5,992.91 and 1,363.31 is: 2,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.26 : 5,992.91 = 1,363.31 : x
  2. Step 2: Convert to fraction form
    3,998.26/5,992.91 = 1,363.31/x
  3. Step 3: Cross multiply
    3,998.26x = 5,992.91 × 1,363.31
  4. Step 4: Simplify right side
    3,998.26x = 8,170,171.92
  5. Step 5: Solve for x
    x = 8,170,171.92/3,998.26
  6. Step 6: Final answer
    x = 2,043.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.