Home / 5,811.18-8,714.66-3,180.63

Finding the Fourth Proportional to 5,811.18, 8,714.66 and 3,180.63

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Solution

The fourth proportional to 5,811.18, 8,714.66 and 3,180.63 is: 4,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.18 : 8,714.66 = 3,180.63 : x
  2. Step 2: Convert to fraction form
    5,811.18/8,714.66 = 3,180.63/x
  3. Step 3: Cross multiply
    5,811.18x = 8,714.66 × 3,180.63
  4. Step 4: Simplify right side
    5,811.18x = 27,718,093.13
  5. Step 5: Solve for x
    x = 27,718,093.13/5,811.18
  6. Step 6: Final answer
    x = 4,769.79

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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.