Home / 5,375.12-7,418.04-3,278.96

Finding the Fourth Proportional to 5,375.12, 7,418.04 and 3,278.96

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Solution

The fourth proportional to 5,375.12, 7,418.04 and 3,278.96 is: 4,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.12 : 7,418.04 = 3,278.96 : x
  2. Step 2: Convert to fraction form
    5,375.12/7,418.04 = 3,278.96/x
  3. Step 3: Cross multiply
    5,375.12x = 7,418.04 × 3,278.96
  4. Step 4: Simplify right side
    5,375.12x = 24,323,456.44
  5. Step 5: Solve for x
    x = 24,323,456.44/5,375.12
  6. Step 6: Final answer
    x = 4,525.19

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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.