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Finding the Fourth Proportional to 5,579.67, 7,699.14 and 3,592.92

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Solution

The fourth proportional to 5,579.67, 7,699.14 and 3,592.92 is: 4,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.67 : 7,699.14 = 3,592.92 : x
  2. Step 2: Convert to fraction form
    5,579.67/7,699.14 = 3,592.92/x
  3. Step 3: Cross multiply
    5,579.67x = 7,699.14 × 3,592.92
  4. Step 4: Simplify right side
    5,579.67x = 27,662,394.09
  5. Step 5: Solve for x
    x = 27,662,394.09/5,579.67
  6. Step 6: Final answer
    x = 4,957.71

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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.