Home / 7,922.61-11,882.40-2,375.95

Finding the Fourth Proportional to 7,922.61, 11,882.40 and 2,375.95

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Solution

The fourth proportional to 7,922.61, 11,882.40 and 2,375.95 is: 3,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.61 : 11,882.40 = 2,375.95 : x
  2. Step 2: Convert to fraction form
    7,922.61/11,882.40 = 2,375.95/x
  3. Step 3: Cross multiply
    7,922.61x = 11,882.40 × 2,375.95
  4. Step 4: Simplify right side
    7,922.61x = 28,231,988.28
  5. Step 5: Solve for x
    x = 28,231,988.28/7,922.61
  6. Step 6: Final answer
    x = 3,563.47

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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.