Home / 3,936.54-5,432.70-2,258.46

Finding the Fourth Proportional to 3,936.54, 5,432.70 and 2,258.46

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Solution

The fourth proportional to 3,936.54, 5,432.70 and 2,258.46 is: 3,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.54 : 5,432.70 = 2,258.46 : x
  2. Step 2: Convert to fraction form
    3,936.54/5,432.70 = 2,258.46/x
  3. Step 3: Cross multiply
    3,936.54x = 5,432.70 × 2,258.46
  4. Step 4: Simplify right side
    3,936.54x = 12,269,535.64
  5. Step 5: Solve for x
    x = 12,269,535.64/3,936.54
  6. Step 6: Final answer
    x = 3,116.83

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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.