Home / 3,422.25-5,134.05-1,082.60

Finding the Fourth Proportional to 3,422.25, 5,134.05 and 1,082.60

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Solution

The fourth proportional to 3,422.25, 5,134.05 and 1,082.60 is: 1,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.25 : 5,134.05 = 1,082.60 : x
  2. Step 2: Convert to fraction form
    3,422.25/5,134.05 = 1,082.60/x
  3. Step 3: Cross multiply
    3,422.25x = 5,134.05 × 1,082.60
  4. Step 4: Simplify right side
    3,422.25x = 5,558,116.11
  5. Step 5: Solve for x
    x = 5,558,116.11/3,422.25
  6. Step 6: Final answer
    x = 1,624.11

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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.