Home / 5,911.88-8,850.66-3,439.16

Finding the Fourth Proportional to 5,911.88, 8,850.66 and 3,439.16

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Solution

The fourth proportional to 5,911.88, 8,850.66 and 3,439.16 is: 5,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.88 : 8,850.66 = 3,439.16 : x
  2. Step 2: Convert to fraction form
    5,911.88/8,850.66 = 3,439.16/x
  3. Step 3: Cross multiply
    5,911.88x = 8,850.66 × 3,439.16
  4. Step 4: Simplify right side
    5,911.88x = 30,438,835.85
  5. Step 5: Solve for x
    x = 30,438,835.85/5,911.88
  6. Step 6: Final answer
    x = 5,148.76

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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.