Home / 2,625.62-3,621.82-1,694.12

Finding the Fourth Proportional to 2,625.62, 3,621.82 and 1,694.12

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Solution

The fourth proportional to 2,625.62, 3,621.82 and 1,694.12 is: 2,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.62 : 3,621.82 = 1,694.12 : x
  2. Step 2: Convert to fraction form
    2,625.62/3,621.82 = 1,694.12/x
  3. Step 3: Cross multiply
    2,625.62x = 3,621.82 × 1,694.12
  4. Step 4: Simplify right side
    2,625.62x = 6,135,797.70
  5. Step 5: Solve for x
    x = 6,135,797.70/2,625.62
  6. Step 6: Final answer
    x = 2,336.89

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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.