Home / 2,129.67-3,195.15-1,034.10

Finding the Fourth Proportional to 2,129.67, 3,195.15 and 1,034.10

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Solution

The fourth proportional to 2,129.67, 3,195.15 and 1,034.10 is: 1,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.67 : 3,195.15 = 1,034.10 : x
  2. Step 2: Convert to fraction form
    2,129.67/3,195.15 = 1,034.10/x
  3. Step 3: Cross multiply
    2,129.67x = 3,195.15 × 1,034.10
  4. Step 4: Simplify right side
    2,129.67x = 3,304,104.62
  5. Step 5: Solve for x
    x = 3,304,104.62/2,129.67
  6. Step 6: Final answer
    x = 1,551.46

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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.