Home / 5,942.31-8,911.64-4,105.23

Finding the Fourth Proportional to 5,942.31, 8,911.64 and 4,105.23

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Solution

The fourth proportional to 5,942.31, 8,911.64 and 4,105.23 is: 6,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.31 : 8,911.64 = 4,105.23 : x
  2. Step 2: Convert to fraction form
    5,942.31/8,911.64 = 4,105.23/x
  3. Step 3: Cross multiply
    5,942.31x = 8,911.64 × 4,105.23
  4. Step 4: Simplify right side
    5,942.31x = 36,584,331.88
  5. Step 5: Solve for x
    x = 36,584,331.88/5,942.31
  6. Step 6: Final answer
    x = 6,156.58

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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.