Home / 3,375.14-5,060.07-2,142.32

Finding the Fourth Proportional to 3,375.14, 5,060.07 and 2,142.32

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Solution

The fourth proportional to 3,375.14, 5,060.07 and 2,142.32 is: 3,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.14 : 5,060.07 = 2,142.32 : x
  2. Step 2: Convert to fraction form
    3,375.14/5,060.07 = 2,142.32/x
  3. Step 3: Cross multiply
    3,375.14x = 5,060.07 × 2,142.32
  4. Step 4: Simplify right side
    3,375.14x = 10,840,263.86
  5. Step 5: Solve for x
    x = 10,840,263.86/3,375.14
  6. Step 6: Final answer
    x = 3,211.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.