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Finding the Fourth Proportional to 5,788.89, 7,991.10 and 3,694.23

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Solution

The fourth proportional to 5,788.89, 7,991.10 and 3,694.23 is: 5,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.89 : 7,991.10 = 3,694.23 : x
  2. Step 2: Convert to fraction form
    5,788.89/7,991.10 = 3,694.23/x
  3. Step 3: Cross multiply
    5,788.89x = 7,991.10 × 3,694.23
  4. Step 4: Simplify right side
    5,788.89x = 29,520,961.35
  5. Step 5: Solve for x
    x = 29,520,961.35/5,788.89
  6. Step 6: Final answer
    x = 5,099.59

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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.