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Finding the Fourth Proportional to 2,843.53, 4,265.28 and 2,839.42

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Solution

The fourth proportional to 2,843.53, 4,265.28 and 2,839.42 is: 4,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.53 : 4,265.28 = 2,839.42 : x
  2. Step 2: Convert to fraction form
    2,843.53/4,265.28 = 2,839.42/x
  3. Step 3: Cross multiply
    2,843.53x = 4,265.28 × 2,839.42
  4. Step 4: Simplify right side
    2,843.53x = 12,110,921.34
  5. Step 5: Solve for x
    x = 12,110,921.34/2,843.53
  6. Step 6: Final answer
    x = 4,259.12

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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.