Home / 2,660.16-3,671.19-1,481.31

Finding the Fourth Proportional to 2,660.16, 3,671.19 and 1,481.31

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Solution

The fourth proportional to 2,660.16, 3,671.19 and 1,481.31 is: 2,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.16 : 3,671.19 = 1,481.31 : x
  2. Step 2: Convert to fraction form
    2,660.16/3,671.19 = 1,481.31/x
  3. Step 3: Cross multiply
    2,660.16x = 3,671.19 × 1,481.31
  4. Step 4: Simplify right side
    2,660.16x = 5,438,170.46
  5. Step 5: Solve for x
    x = 5,438,170.46/2,660.16
  6. Step 6: Final answer
    x = 2,044.30

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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.