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Finding the Fourth Proportional to 3,998.24, 5,997.41 and 1,533.18

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Solution

The fourth proportional to 3,998.24, 5,997.41 and 1,533.18 is: 2,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.24 : 5,997.41 = 1,533.18 : x
  2. Step 2: Convert to fraction form
    3,998.24/5,997.41 = 1,533.18/x
  3. Step 3: Cross multiply
    3,998.24x = 5,997.41 × 1,533.18
  4. Step 4: Simplify right side
    3,998.24x = 9,195,112.90
  5. Step 5: Solve for x
    x = 9,195,112.90/3,998.24
  6. Step 6: Final answer
    x = 2,299.79

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Similar ratio
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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.