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Finding the Fourth Proportional to 4,888.63, 7,327.27 and 3,789.46

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Solution

The fourth proportional to 4,888.63, 7,327.27 and 3,789.46 is: 5,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.63 : 7,327.27 = 3,789.46 : x
  2. Step 2: Convert to fraction form
    4,888.63/7,327.27 = 3,789.46/x
  3. Step 3: Cross multiply
    4,888.63x = 7,327.27 × 3,789.46
  4. Step 4: Simplify right side
    4,888.63x = 27,766,396.57
  5. Step 5: Solve for x
    x = 27,766,396.57/4,888.63
  6. Step 6: Final answer
    x = 5,679.79

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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.