Home / 7,436.70-11,145.33-3,049.20

Finding the Fourth Proportional to 7,436.70, 11,145.33 and 3,049.20

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Solution

The fourth proportional to 7,436.70, 11,145.33 and 3,049.20 is: 4,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.70 : 11,145.33 = 3,049.20 : x
  2. Step 2: Convert to fraction form
    7,436.70/11,145.33 = 3,049.20/x
  3. Step 3: Cross multiply
    7,436.70x = 11,145.33 × 3,049.20
  4. Step 4: Simplify right side
    7,436.70x = 33,984,340.24
  5. Step 5: Solve for x
    x = 33,984,340.24/7,436.70
  6. Step 6: Final answer
    x = 4,569.81

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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.