Home / 2,975.90-4,103.25-2,414.61

Finding the Fourth Proportional to 2,975.90, 4,103.25 and 2,414.61

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Solution

The fourth proportional to 2,975.90, 4,103.25 and 2,414.61 is: 3,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.90 : 4,103.25 = 2,414.61 : x
  2. Step 2: Convert to fraction form
    2,975.90/4,103.25 = 2,414.61/x
  3. Step 3: Cross multiply
    2,975.90x = 4,103.25 × 2,414.61
  4. Step 4: Simplify right side
    2,975.90x = 9,907,748.48
  5. Step 5: Solve for x
    x = 9,907,748.48/2,975.90
  6. Step 6: Final answer
    x = 3,329.33

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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.