Home / 3,898.35-5,847.51-1,432.10

Finding the Fourth Proportional to 3,898.35, 5,847.51 and 1,432.10

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Solution

The fourth proportional to 3,898.35, 5,847.51 and 1,432.10 is: 2,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.35 : 5,847.51 = 1,432.10 : x
  2. Step 2: Convert to fraction form
    3,898.35/5,847.51 = 1,432.10/x
  3. Step 3: Cross multiply
    3,898.35x = 5,847.51 × 1,432.10
  4. Step 4: Simplify right side
    3,898.35x = 8,374,189.83
  5. Step 5: Solve for x
    x = 8,374,189.83/3,898.35
  6. Step 6: Final answer
    x = 2,148.14

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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.