Home / 3,982.73-5,496.71-2,867.36

Finding the Fourth Proportional to 3,982.73, 5,496.71 and 2,867.36

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Solution

The fourth proportional to 3,982.73, 5,496.71 and 2,867.36 is: 3,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.73 : 5,496.71 = 2,867.36 : x
  2. Step 2: Convert to fraction form
    3,982.73/5,496.71 = 2,867.36/x
  3. Step 3: Cross multiply
    3,982.73x = 5,496.71 × 2,867.36
  4. Step 4: Simplify right side
    3,982.73x = 15,761,004.57
  5. Step 5: Solve for x
    x = 15,761,004.57/3,982.73
  6. Step 6: Final answer
    x = 3,957.34

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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.