Home / 2,083.62-3,121.31-1,694.06

Finding the Fourth Proportional to 2,083.62, 3,121.31 and 1,694.06

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Solution

The fourth proportional to 2,083.62, 3,121.31 and 1,694.06 is: 2,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.62 : 3,121.31 = 1,694.06 : x
  2. Step 2: Convert to fraction form
    2,083.62/3,121.31 = 1,694.06/x
  3. Step 3: Cross multiply
    2,083.62x = 3,121.31 × 1,694.06
  4. Step 4: Simplify right side
    2,083.62x = 5,287,686.75
  5. Step 5: Solve for x
    x = 5,287,686.75/2,083.62
  6. Step 6: Final answer
    x = 2,537.74

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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.