Home / 2,251.92-3,360.80-2,193.60

Finding the Fourth Proportional to 2,251.92, 3,360.80 and 2,193.60

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Solution

The fourth proportional to 2,251.92, 3,360.80 and 2,193.60 is: 3,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.92 : 3,360.80 = 2,193.60 : x
  2. Step 2: Convert to fraction form
    2,251.92/3,360.80 = 2,193.60/x
  3. Step 3: Cross multiply
    2,251.92x = 3,360.80 × 2,193.60
  4. Step 4: Simplify right side
    2,251.92x = 7,372,250.88
  5. Step 5: Solve for x
    x = 7,372,250.88/2,251.92
  6. Step 6: Final answer
    x = 3,273.76

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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.