Home / 5,179.35-7,770.06-1,481.61

Finding the Fourth Proportional to 5,179.35, 7,770.06 and 1,481.61

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Solution

The fourth proportional to 5,179.35, 7,770.06 and 1,481.61 is: 2,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.35 : 7,770.06 = 1,481.61 : x
  2. Step 2: Convert to fraction form
    5,179.35/7,770.06 = 1,481.61/x
  3. Step 3: Cross multiply
    5,179.35x = 7,770.06 × 1,481.61
  4. Step 4: Simplify right side
    5,179.35x = 11,512,198.60
  5. Step 5: Solve for x
    x = 11,512,198.60/5,179.35
  6. Step 6: Final answer
    x = 2,222.71

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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.