Home / 5,132.13-7,080.54-3,243.11

Finding the Fourth Proportional to 5,132.13, 7,080.54 and 3,243.11

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Solution

The fourth proportional to 5,132.13, 7,080.54 and 3,243.11 is: 4,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.13 : 7,080.54 = 3,243.11 : x
  2. Step 2: Convert to fraction form
    5,132.13/7,080.54 = 3,243.11/x
  3. Step 3: Cross multiply
    5,132.13x = 7,080.54 × 3,243.11
  4. Step 4: Simplify right side
    5,132.13x = 22,962,970.08
  5. Step 5: Solve for x
    x = 22,962,970.08/5,132.13
  6. Step 6: Final answer
    x = 4,474.35

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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.