Home / 2,961.71-4,084.45-2,726.16

Finding the Fourth Proportional to 2,961.71, 4,084.45 and 2,726.16

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Solution

The fourth proportional to 2,961.71, 4,084.45 and 2,726.16 is: 3,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.71 : 4,084.45 = 2,726.16 : x
  2. Step 2: Convert to fraction form
    2,961.71/4,084.45 = 2,726.16/x
  3. Step 3: Cross multiply
    2,961.71x = 4,084.45 × 2,726.16
  4. Step 4: Simplify right side
    2,961.71x = 11,134,849.75
  5. Step 5: Solve for x
    x = 11,134,849.75/2,961.71
  6. Step 6: Final answer
    x = 3,759.60

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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.