Home / 4,912.27-7,348.16-3,154.57

Finding the Fourth Proportional to 4,912.27, 7,348.16 and 3,154.57

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Solution

The fourth proportional to 4,912.27, 7,348.16 and 3,154.57 is: 4,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.27 : 7,348.16 = 3,154.57 : x
  2. Step 2: Convert to fraction form
    4,912.27/7,348.16 = 3,154.57/x
  3. Step 3: Cross multiply
    4,912.27x = 7,348.16 × 3,154.57
  4. Step 4: Simplify right side
    4,912.27x = 23,180,269.32
  5. Step 5: Solve for x
    x = 23,180,269.32/4,912.27
  6. Step 6: Final answer
    x = 4,718.85

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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.