Home / 5,496.78-8,244.26-1,986.11

Finding the Fourth Proportional to 5,496.78, 8,244.26 and 1,986.11

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Solution

The fourth proportional to 5,496.78, 8,244.26 and 1,986.11 is: 2,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,496.78 : 8,244.26 = 1,986.11 : x
  2. Step 2: Convert to fraction form
    5,496.78/8,244.26 = 1,986.11/x
  3. Step 3: Cross multiply
    5,496.78x = 8,244.26 × 1,986.11
  4. Step 4: Simplify right side
    5,496.78x = 16,373,956.08
  5. Step 5: Solve for x
    x = 16,373,956.08/5,496.78
  6. Step 6: Final answer
    x = 2,978.83

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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.