Home / 2,915.73-4,369.49-2,092.19

Finding the Fourth Proportional to 2,915.73, 4,369.49 and 2,092.19

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Solution

The fourth proportional to 2,915.73, 4,369.49 and 2,092.19 is: 3,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.73 : 4,369.49 = 2,092.19 : x
  2. Step 2: Convert to fraction form
    2,915.73/4,369.49 = 2,092.19/x
  3. Step 3: Cross multiply
    2,915.73x = 4,369.49 × 2,092.19
  4. Step 4: Simplify right side
    2,915.73x = 9,141,778.82
  5. Step 5: Solve for x
    x = 9,141,778.82/2,915.73
  6. Step 6: Final answer
    x = 3,135.33

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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.