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Finding the Fourth Proportional to 5,969.30, 8,238.49 and 3,579.39

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Solution

The fourth proportional to 5,969.30, 8,238.49 and 3,579.39 is: 4,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,969.30 : 8,238.49 = 3,579.39 : x
  2. Step 2: Convert to fraction form
    5,969.30/8,238.49 = 3,579.39/x
  3. Step 3: Cross multiply
    5,969.30x = 8,238.49 × 3,579.39
  4. Step 4: Simplify right side
    5,969.30x = 29,488,759.77
  5. Step 5: Solve for x
    x = 29,488,759.77/5,969.30
  6. Step 6: Final answer
    x = 4,940.07

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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.