Home / 5,481.14-7,563.39-3,243.11

Finding the Fourth Proportional to 5,481.14, 7,563.39 and 3,243.11

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Solution

The fourth proportional to 5,481.14, 7,563.39 and 3,243.11 is: 4,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.14 : 7,563.39 = 3,243.11 : x
  2. Step 2: Convert to fraction form
    5,481.14/7,563.39 = 3,243.11/x
  3. Step 3: Cross multiply
    5,481.14x = 7,563.39 × 3,243.11
  4. Step 4: Simplify right side
    5,481.14x = 24,528,905.74
  5. Step 5: Solve for x
    x = 24,528,905.74/5,481.14
  6. Step 6: Final answer
    x = 4,475.15

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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.