Home / 3,432.50-4,738.17-2,108.01

Finding the Fourth Proportional to 3,432.50, 4,738.17 and 2,108.01

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Solution

The fourth proportional to 3,432.50, 4,738.17 and 2,108.01 is: 2,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.50 : 4,738.17 = 2,108.01 : x
  2. Step 2: Convert to fraction form
    3,432.50/4,738.17 = 2,108.01/x
  3. Step 3: Cross multiply
    3,432.50x = 4,738.17 × 2,108.01
  4. Step 4: Simplify right side
    3,432.50x = 9,988,109.74
  5. Step 5: Solve for x
    x = 9,988,109.74/3,432.50
  6. Step 6: Final answer
    x = 2,909.86

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Why These Related Problems?

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