Home / 5,182.62-7,775.46-2,717.11

Finding the Fourth Proportional to 5,182.62, 7,775.46 and 2,717.11

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Solution

The fourth proportional to 5,182.62, 7,775.46 and 2,717.11 is: 4,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.62 : 7,775.46 = 2,717.11 : x
  2. Step 2: Convert to fraction form
    5,182.62/7,775.46 = 2,717.11/x
  3. Step 3: Cross multiply
    5,182.62x = 7,775.46 × 2,717.11
  4. Step 4: Simplify right side
    5,182.62x = 21,126,780.12
  5. Step 5: Solve for x
    x = 21,126,780.12/5,182.62
  6. Step 6: Final answer
    x = 4,076.47

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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.