Home / 7,961.52-11,942.28-2,767.38

Finding the Fourth Proportional to 7,961.52, 11,942.28 and 2,767.38

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Solution

The fourth proportional to 7,961.52, 11,942.28 and 2,767.38 is: 4,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.52 : 11,942.28 = 2,767.38 : x
  2. Step 2: Convert to fraction form
    7,961.52/11,942.28 = 2,767.38/x
  3. Step 3: Cross multiply
    7,961.52x = 11,942.28 × 2,767.38
  4. Step 4: Simplify right side
    7,961.52x = 33,048,826.83
  5. Step 5: Solve for x
    x = 33,048,826.83/7,961.52
  6. Step 6: Final answer
    x = 4,151.07

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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.