Home / 7,652.94-11,480.68-2,721.54

Finding the Fourth Proportional to 7,652.94, 11,480.68 and 2,721.54

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Solution

The fourth proportional to 7,652.94, 11,480.68 and 2,721.54 is: 4,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.94 : 11,480.68 = 2,721.54 : x
  2. Step 2: Convert to fraction form
    7,652.94/11,480.68 = 2,721.54/x
  3. Step 3: Cross multiply
    7,652.94x = 11,480.68 × 2,721.54
  4. Step 4: Simplify right side
    7,652.94x = 31,245,129.85
  5. Step 5: Solve for x
    x = 31,245,129.85/7,652.94
  6. Step 6: Final answer
    x = 4,082.76

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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.