Home / 5,543.62-7,651.74-3,186.52

Finding the Fourth Proportional to 5,543.62, 7,651.74 and 3,186.52

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Solution

The fourth proportional to 5,543.62, 7,651.74 and 3,186.52 is: 4,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.62 : 7,651.74 = 3,186.52 : x
  2. Step 2: Convert to fraction form
    5,543.62/7,651.74 = 3,186.52/x
  3. Step 3: Cross multiply
    5,543.62x = 7,651.74 × 3,186.52
  4. Step 4: Simplify right side
    5,543.62x = 24,382,422.54
  5. Step 5: Solve for x
    x = 24,382,422.54/5,543.62
  6. Step 6: Final answer
    x = 4,398.29

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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.