Home / 2,262.44-3,118.94-1,663.88

Finding the Fourth Proportional to 2,262.44, 3,118.94 and 1,663.88

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Solution

The fourth proportional to 2,262.44, 3,118.94 and 1,663.88 is: 2,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.44 : 3,118.94 = 1,663.88 : x
  2. Step 2: Convert to fraction form
    2,262.44/3,118.94 = 1,663.88/x
  3. Step 3: Cross multiply
    2,262.44x = 3,118.94 × 1,663.88
  4. Step 4: Simplify right side
    2,262.44x = 5,189,517.97
  5. Step 5: Solve for x
    x = 5,189,517.97/2,262.44
  6. Step 6: Final answer
    x = 2,293.78

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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.