Home / 8,581.41-12,874.56-2,738.46

Finding the Fourth Proportional to 8,581.41, 12,874.56 and 2,738.46

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Solution

The fourth proportional to 8,581.41, 12,874.56 and 2,738.46 is: 4,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.41 : 12,874.56 = 2,738.46 : x
  2. Step 2: Convert to fraction form
    8,581.41/12,874.56 = 2,738.46/x
  3. Step 3: Cross multiply
    8,581.41x = 12,874.56 × 2,738.46
  4. Step 4: Simplify right side
    8,581.41x = 35,256,467.58
  5. Step 5: Solve for x
    x = 35,256,467.58/8,581.41
  6. Step 6: Final answer
    x = 4,108.47

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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.