Home / 2,132.59-3,199.38-726.93

Finding the Fourth Proportional to 2,132.59, 3,199.38 and 726.93

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Solution

The fourth proportional to 2,132.59, 3,199.38 and 726.93 is: 1,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.59 : 3,199.38 = 726.93 : x
  2. Step 2: Convert to fraction form
    2,132.59/3,199.38 = 726.93/x
  3. Step 3: Cross multiply
    2,132.59x = 3,199.38 × 726.93
  4. Step 4: Simplify right side
    2,132.59x = 2,325,725.30
  5. Step 5: Solve for x
    x = 2,325,725.30/2,132.59
  6. Step 6: Final answer
    x = 1,090.56

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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.