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Finding the Fourth Proportional to 4,392.73, 6,073.63 and 3,839.15

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Solution

The fourth proportional to 4,392.73, 6,073.63 and 3,839.15 is: 5,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.73 : 6,073.63 = 3,839.15 : x
  2. Step 2: Convert to fraction form
    4,392.73/6,073.63 = 3,839.15/x
  3. Step 3: Cross multiply
    4,392.73x = 6,073.63 × 3,839.15
  4. Step 4: Simplify right side
    4,392.73x = 23,317,569.63
  5. Step 5: Solve for x
    x = 23,317,569.63/4,392.73
  6. Step 6: Final answer
    x = 5,308.22

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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.