Home / 7,158.18-10,738.92-2,227.55

Finding the Fourth Proportional to 7,158.18, 10,738.92 and 2,227.55

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Solution

The fourth proportional to 7,158.18, 10,738.92 and 2,227.55 is: 3,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.18 : 10,738.92 = 2,227.55 : x
  2. Step 2: Convert to fraction form
    7,158.18/10,738.92 = 2,227.55/x
  3. Step 3: Cross multiply
    7,158.18x = 10,738.92 × 2,227.55
  4. Step 4: Simplify right side
    7,158.18x = 23,921,481.25
  5. Step 5: Solve for x
    x = 23,921,481.25/7,158.18
  6. Step 6: Final answer
    x = 3,341.84

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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.