Home / 7,961.27-11,938.26-3,575.88

Finding the Fourth Proportional to 7,961.27, 11,938.26 and 3,575.88

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Solution

The fourth proportional to 7,961.27, 11,938.26 and 3,575.88 is: 5,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.27 : 11,938.26 = 3,575.88 : x
  2. Step 2: Convert to fraction form
    7,961.27/11,938.26 = 3,575.88/x
  3. Step 3: Cross multiply
    7,961.27x = 11,938.26 × 3,575.88
  4. Step 4: Simplify right side
    7,961.27x = 42,689,785.17
  5. Step 5: Solve for x
    x = 42,689,785.17/7,961.27
  6. Step 6: Final answer
    x = 5,362.19

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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.