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Finding the Fourth Proportional to 3,862.76, 5,797.14 and 2,768.12

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Solution

The fourth proportional to 3,862.76, 5,797.14 and 2,768.12 is: 4,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.76 : 5,797.14 = 2,768.12 : x
  2. Step 2: Convert to fraction form
    3,862.76/5,797.14 = 2,768.12/x
  3. Step 3: Cross multiply
    3,862.76x = 5,797.14 × 2,768.12
  4. Step 4: Simplify right side
    3,862.76x = 16,047,179.18
  5. Step 5: Solve for x
    x = 16,047,179.18/3,862.76
  6. Step 6: Final answer
    x = 4,154.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.