Home / 2,726.10-4,087.47-1,081.92

Finding the Fourth Proportional to 2,726.10, 4,087.47 and 1,081.92

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Solution

The fourth proportional to 2,726.10, 4,087.47 and 1,081.92 is: 1,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.10 : 4,087.47 = 1,081.92 : x
  2. Step 2: Convert to fraction form
    2,726.10/4,087.47 = 1,081.92/x
  3. Step 3: Cross multiply
    2,726.10x = 4,087.47 × 1,081.92
  4. Step 4: Simplify right side
    2,726.10x = 4,422,315.54
  5. Step 5: Solve for x
    x = 4,422,315.54/2,726.10
  6. Step 6: Final answer
    x = 1,622.21

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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.