Home / 3,724.79-5,587.32-1,874.90

Finding the Fourth Proportional to 3,724.79, 5,587.32 and 1,874.90

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Solution

The fourth proportional to 3,724.79, 5,587.32 and 1,874.90 is: 2,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.79 : 5,587.32 = 1,874.90 : x
  2. Step 2: Convert to fraction form
    3,724.79/5,587.32 = 1,874.90/x
  3. Step 3: Cross multiply
    3,724.79x = 5,587.32 × 1,874.90
  4. Step 4: Simplify right side
    3,724.79x = 10,475,638.33
  5. Step 5: Solve for x
    x = 10,475,638.33/3,724.79
  6. Step 6: Final answer
    x = 2,812.41

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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.