Home / 5,132.64-7,081.23-3,243.62

Finding the Fourth Proportional to 5,132.64, 7,081.23 and 3,243.62

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Solution

The fourth proportional to 5,132.64, 7,081.23 and 3,243.62 is: 4,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.64 : 7,081.23 = 3,243.62 : x
  2. Step 2: Convert to fraction form
    5,132.64/7,081.23 = 3,243.62/x
  3. Step 3: Cross multiply
    5,132.64x = 7,081.23 × 3,243.62
  4. Step 4: Simplify right side
    5,132.64x = 22,968,783.85
  5. Step 5: Solve for x
    x = 22,968,783.85/5,132.64
  6. Step 6: Final answer
    x = 4,475.04

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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.