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Finding the Fourth Proportional to 3,854.88, 5,319.54 and 2,283.48

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Solution

The fourth proportional to 3,854.88, 5,319.54 and 2,283.48 is: 3,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.88 : 5,319.54 = 2,283.48 : x
  2. Step 2: Convert to fraction form
    3,854.88/5,319.54 = 2,283.48/x
  3. Step 3: Cross multiply
    3,854.88x = 5,319.54 × 2,283.48
  4. Step 4: Simplify right side
    3,854.88x = 12,147,063.20
  5. Step 5: Solve for x
    x = 12,147,063.20/3,854.88
  6. Step 6: Final answer
    x = 3,151.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.