Home / 3,724.08-5,142.68-2,400.08

Finding the Fourth Proportional to 3,724.08, 5,142.68 and 2,400.08

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Solution

The fourth proportional to 3,724.08, 5,142.68 and 2,400.08 is: 3,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.08 : 5,142.68 = 2,400.08 : x
  2. Step 2: Convert to fraction form
    3,724.08/5,142.68 = 2,400.08/x
  3. Step 3: Cross multiply
    3,724.08x = 5,142.68 × 2,400.08
  4. Step 4: Simplify right side
    3,724.08x = 12,342,843.41
  5. Step 5: Solve for x
    x = 12,342,843.41/3,724.08
  6. Step 6: Final answer
    x = 3,314.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.