Home / 5,031.24-6,940.26-3,165

Finding the Fourth Proportional to 5,031.24, 6,940.26 and 3,165

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Solution

The fourth proportional to 5,031.24, 6,940.26 and 3,165 is: 4,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.24 : 6,940.26 = 3,165 : x
  2. Step 2: Convert to fraction form
    5,031.24/6,940.26 = 3,165/x
  3. Step 3: Cross multiply
    5,031.24x = 6,940.26 × 3,165
  4. Step 4: Simplify right side
    5,031.24x = 21,965,922.90
  5. Step 5: Solve for x
    x = 21,965,922.90/5,031.24
  6. Step 6: Final answer
    x = 4,365.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.