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Finding the Fourth Proportional to 2,773.85, 4,158.07 and 2,254.91

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Solution

The fourth proportional to 2,773.85, 4,158.07 and 2,254.91 is: 3,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.85 : 4,158.07 = 2,254.91 : x
  2. Step 2: Convert to fraction form
    2,773.85/4,158.07 = 2,254.91/x
  3. Step 3: Cross multiply
    2,773.85x = 4,158.07 × 2,254.91
  4. Step 4: Simplify right side
    2,773.85x = 9,376,047.20
  5. Step 5: Solve for x
    x = 9,376,047.20/2,773.85
  6. Step 6: Final answer
    x = 3,380.16

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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.