Home / 7,950.92-11,921.85-2,402.69

Finding the Fourth Proportional to 7,950.92, 11,921.85 and 2,402.69

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Solution

The fourth proportional to 7,950.92, 11,921.85 and 2,402.69 is: 3,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.92 : 11,921.85 = 2,402.69 : x
  2. Step 2: Convert to fraction form
    7,950.92/11,921.85 = 2,402.69/x
  3. Step 3: Cross multiply
    7,950.92x = 11,921.85 × 2,402.69
  4. Step 4: Simplify right side
    7,950.92x = 28,644,450.17
  5. Step 5: Solve for x
    x = 28,644,450.17/7,950.92
  6. Step 6: Final answer
    x = 3,602.66

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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.