Home / 5,061.10-6,987.28-3,200.62

Finding the Fourth Proportional to 5,061.10, 6,987.28 and 3,200.62

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Solution

The fourth proportional to 5,061.10, 6,987.28 and 3,200.62 is: 4,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.10 : 6,987.28 = 3,200.62 : x
  2. Step 2: Convert to fraction form
    5,061.10/6,987.28 = 3,200.62/x
  3. Step 3: Cross multiply
    5,061.10x = 6,987.28 × 3,200.62
  4. Step 4: Simplify right side
    5,061.10x = 22,363,628.11
  5. Step 5: Solve for x
    x = 22,363,628.11/5,061.10
  6. Step 6: Final answer
    x = 4,418.73

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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.