Home / 7,553.92-11,328.72-2,620.96

Finding the Fourth Proportional to 7,553.92, 11,328.72 and 2,620.96

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Solution

The fourth proportional to 7,553.92, 11,328.72 and 2,620.96 is: 3,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.92 : 11,328.72 = 2,620.96 : x
  2. Step 2: Convert to fraction form
    7,553.92/11,328.72 = 2,620.96/x
  3. Step 3: Cross multiply
    7,553.92x = 11,328.72 × 2,620.96
  4. Step 4: Simplify right side
    7,553.92x = 29,692,121.97
  5. Step 5: Solve for x
    x = 29,692,121.97/7,553.92
  6. Step 6: Final answer
    x = 3,930.69

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1.5x scale

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.