Home / 5,182.30-7,148.62-3,192.43

Finding the Fourth Proportional to 5,182.30, 7,148.62 and 3,192.43

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Solution

The fourth proportional to 5,182.30, 7,148.62 and 3,192.43 is: 4,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.30 : 7,148.62 = 3,192.43 : x
  2. Step 2: Convert to fraction form
    5,182.30/7,148.62 = 3,192.43/x
  3. Step 3: Cross multiply
    5,182.30x = 7,148.62 × 3,192.43
  4. Step 4: Simplify right side
    5,182.30x = 22,821,468.95
  5. Step 5: Solve for x
    x = 22,821,468.95/5,182.30
  6. Step 6: Final answer
    x = 4,403.73

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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.