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Finding the Fourth Proportional to 2,634.56, 3,971.84 and 2,493.44

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Solution

The fourth proportional to 2,634.56, 3,971.84 and 2,493.44 is: 3,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.56 : 3,971.84 = 2,493.44 : x
  2. Step 2: Convert to fraction form
    2,634.56/3,971.84 = 2,493.44/x
  3. Step 3: Cross multiply
    2,634.56x = 3,971.84 × 2,493.44
  4. Step 4: Simplify right side
    2,634.56x = 9,903,544.73
  5. Step 5: Solve for x
    x = 9,903,544.73/2,634.56
  6. Step 6: Final answer
    x = 3,759.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.