Home / 3,201.92-4,420.12-2,258.48

Finding the Fourth Proportional to 3,201.92, 4,420.12 and 2,258.48

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Solution

The fourth proportional to 3,201.92, 4,420.12 and 2,258.48 is: 3,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.92 : 4,420.12 = 2,258.48 : x
  2. Step 2: Convert to fraction form
    3,201.92/4,420.12 = 2,258.48/x
  3. Step 3: Cross multiply
    3,201.92x = 4,420.12 × 2,258.48
  4. Step 4: Simplify right side
    3,201.92x = 9,982,752.62
  5. Step 5: Solve for x
    x = 9,982,752.62/3,201.92
  6. Step 6: Final answer
    x = 3,117.74

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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.