Home / 4,172.76-6,261-2,197.92

Finding the Fourth Proportional to 4,172.76, 6,261 and 2,197.92

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Solution

The fourth proportional to 4,172.76, 6,261 and 2,197.92 is: 3,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.76 : 6,261 = 2,197.92 : x
  2. Step 2: Convert to fraction form
    4,172.76/6,261 = 2,197.92/x
  3. Step 3: Cross multiply
    4,172.76x = 6,261 × 2,197.92
  4. Step 4: Simplify right side
    4,172.76x = 13,761,177.12
  5. Step 5: Solve for x
    x = 13,761,177.12/4,172.76
  6. Step 6: Final answer
    x = 3,297.86

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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.