Home / 5,089.25-7,631.91-2,045.43

Finding the Fourth Proportional to 5,089.25, 7,631.91 and 2,045.43

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Solution

The fourth proportional to 5,089.25, 7,631.91 and 2,045.43 is: 3,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.25 : 7,631.91 = 2,045.43 : x
  2. Step 2: Convert to fraction form
    5,089.25/7,631.91 = 2,045.43/x
  3. Step 3: Cross multiply
    5,089.25x = 7,631.91 × 2,045.43
  4. Step 4: Simplify right side
    5,089.25x = 15,610,537.67
  5. Step 5: Solve for x
    x = 15,610,537.67/5,089.25
  6. Step 6: Final answer
    x = 3,067.36

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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.