Home / 5,481.54-8,229.60-4,307.85

Finding the Fourth Proportional to 5,481.54, 8,229.60 and 4,307.85

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Solution

The fourth proportional to 5,481.54, 8,229.60 and 4,307.85 is: 6,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.54 : 8,229.60 = 4,307.85 : x
  2. Step 2: Convert to fraction form
    5,481.54/8,229.60 = 4,307.85/x
  3. Step 3: Cross multiply
    5,481.54x = 8,229.60 × 4,307.85
  4. Step 4: Simplify right side
    5,481.54x = 35,451,882.36
  5. Step 5: Solve for x
    x = 35,451,882.36/5,481.54
  6. Step 6: Final answer
    x = 6,467.50

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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.