Home / 3,079.22-4,253.33-2,491.97

Finding the Fourth Proportional to 3,079.22, 4,253.33 and 2,491.97

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Solution

The fourth proportional to 3,079.22, 4,253.33 and 2,491.97 is: 3,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.22 : 4,253.33 = 2,491.97 : x
  2. Step 2: Convert to fraction form
    3,079.22/4,253.33 = 2,491.97/x
  3. Step 3: Cross multiply
    3,079.22x = 4,253.33 × 2,491.97
  4. Step 4: Simplify right side
    3,079.22x = 10,599,170.76
  5. Step 5: Solve for x
    x = 10,599,170.76/3,079.22
  6. Step 6: Final answer
    x = 3,442.16

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1.5x scale

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.