Home / 7,438.50-11,150.28-3,049.92

Finding the Fourth Proportional to 7,438.50, 11,150.28 and 3,049.92

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Solution

The fourth proportional to 7,438.50, 11,150.28 and 3,049.92 is: 4,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.50 : 11,150.28 = 3,049.92 : x
  2. Step 2: Convert to fraction form
    7,438.50/11,150.28 = 3,049.92/x
  3. Step 3: Cross multiply
    7,438.50x = 11,150.28 × 3,049.92
  4. Step 4: Simplify right side
    7,438.50x = 34,007,461.98
  5. Step 5: Solve for x
    x = 34,007,461.98/7,438.50
  6. Step 6: Final answer
    x = 4,571.82

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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.