Home / 5,548.38-8,313.45-3,357.78

Finding the Fourth Proportional to 5,548.38, 8,313.45 and 3,357.78

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Solution

The fourth proportional to 5,548.38, 8,313.45 and 3,357.78 is: 5,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.38 : 8,313.45 = 3,357.78 : x
  2. Step 2: Convert to fraction form
    5,548.38/8,313.45 = 3,357.78/x
  3. Step 3: Cross multiply
    5,548.38x = 8,313.45 × 3,357.78
  4. Step 4: Simplify right side
    5,548.38x = 27,914,736.14
  5. Step 5: Solve for x
    x = 27,914,736.14/5,548.38
  6. Step 6: Final answer
    x = 5,031.15

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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.