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Finding the Fourth Proportional to 3,794.97, 5,690.01 and 2,621.70

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Solution

The fourth proportional to 3,794.97, 5,690.01 and 2,621.70 is: 3,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.97 : 5,690.01 = 2,621.70 : x
  2. Step 2: Convert to fraction form
    3,794.97/5,690.01 = 2,621.70/x
  3. Step 3: Cross multiply
    3,794.97x = 5,690.01 × 2,621.70
  4. Step 4: Simplify right side
    3,794.97x = 14,917,499.22
  5. Step 5: Solve for x
    x = 14,917,499.22/3,794.97
  6. Step 6: Final answer
    x = 3,930.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.