Home / 3,936.59-5,432.39-2,258.97

Finding the Fourth Proportional to 3,936.59, 5,432.39 and 2,258.97

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Solution

The fourth proportional to 3,936.59, 5,432.39 and 2,258.97 is: 3,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.59 : 5,432.39 = 2,258.97 : x
  2. Step 2: Convert to fraction form
    3,936.59/5,432.39 = 2,258.97/x
  3. Step 3: Cross multiply
    3,936.59x = 5,432.39 × 2,258.97
  4. Step 4: Simplify right side
    3,936.59x = 12,271,594.74
  5. Step 5: Solve for x
    x = 12,271,594.74/3,936.59
  6. Step 6: Final answer
    x = 3,117.32

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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.