Home / 3,270.38-4,512.98-1,778.24

Finding the Fourth Proportional to 3,270.38, 4,512.98 and 1,778.24

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Solution

The fourth proportional to 3,270.38, 4,512.98 and 1,778.24 is: 2,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.38 : 4,512.98 = 1,778.24 : x
  2. Step 2: Convert to fraction form
    3,270.38/4,512.98 = 1,778.24/x
  3. Step 3: Cross multiply
    3,270.38x = 4,512.98 × 1,778.24
  4. Step 4: Simplify right side
    3,270.38x = 8,025,177.28
  5. Step 5: Solve for x
    x = 8,025,177.28/3,270.38
  6. Step 6: Final answer
    x = 2,453.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.