Home / 5,921.57-8,170.97-3,369.38

Finding the Fourth Proportional to 5,921.57, 8,170.97 and 3,369.38

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Solution

The fourth proportional to 5,921.57, 8,170.97 and 3,369.38 is: 4,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.57 : 8,170.97 = 3,369.38 : x
  2. Step 2: Convert to fraction form
    5,921.57/8,170.97 = 3,369.38/x
  3. Step 3: Cross multiply
    5,921.57x = 8,170.97 × 3,369.38
  4. Step 4: Simplify right side
    5,921.57x = 27,531,142.21
  5. Step 5: Solve for x
    x = 27,531,142.21/5,921.57
  6. Step 6: Final answer
    x = 4,649.30

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1.5x scale

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.