Home / 5,258.92-7,257.28-2,868.88

Finding the Fourth Proportional to 5,258.92, 7,257.28 and 2,868.88

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Solution

The fourth proportional to 5,258.92, 7,257.28 and 2,868.88 is: 3,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.92 : 7,257.28 = 2,868.88 : x
  2. Step 2: Convert to fraction form
    5,258.92/7,257.28 = 2,868.88/x
  3. Step 3: Cross multiply
    5,258.92x = 7,257.28 × 2,868.88
  4. Step 4: Simplify right side
    5,258.92x = 20,820,265.45
  5. Step 5: Solve for x
    x = 20,820,265.45/5,258.92
  6. Step 6: Final answer
    x = 3,959.04

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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.