Home / 4,013.10-6,031.80-3,940.20

Finding the Fourth Proportional to 4,013.10, 6,031.80 and 3,940.20

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Solution

The fourth proportional to 4,013.10, 6,031.80 and 3,940.20 is: 5,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.10 : 6,031.80 = 3,940.20 : x
  2. Step 2: Convert to fraction form
    4,013.10/6,031.80 = 3,940.20/x
  3. Step 3: Cross multiply
    4,013.10x = 6,031.80 × 3,940.20
  4. Step 4: Simplify right side
    4,013.10x = 23,766,498.36
  5. Step 5: Solve for x
    x = 23,766,498.36/4,013.10
  6. Step 6: Final answer
    x = 5,922.23

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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.