Home / 2,255.92-3,366.76-2,197.60

Finding the Fourth Proportional to 2,255.92, 3,366.76 and 2,197.60

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Solution

The fourth proportional to 2,255.92, 3,366.76 and 2,197.60 is: 3,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.92 : 3,366.76 = 2,197.60 : x
  2. Step 2: Convert to fraction form
    2,255.92/3,366.76 = 2,197.60/x
  3. Step 3: Cross multiply
    2,255.92x = 3,366.76 × 2,197.60
  4. Step 4: Simplify right side
    2,255.92x = 7,398,791.78
  5. Step 5: Solve for x
    x = 7,398,791.78/2,255.92
  6. Step 6: Final answer
    x = 3,279.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.