Home / 5,480.36-8,207.38-3,133.24

Finding the Fourth Proportional to 5,480.36, 8,207.38 and 3,133.24

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Solution

The fourth proportional to 5,480.36, 8,207.38 and 3,133.24 is: 4,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.36 : 8,207.38 = 3,133.24 : x
  2. Step 2: Convert to fraction form
    5,480.36/8,207.38 = 3,133.24/x
  3. Step 3: Cross multiply
    5,480.36x = 8,207.38 × 3,133.24
  4. Step 4: Simplify right side
    5,480.36x = 25,715,691.31
  5. Step 5: Solve for x
    x = 25,715,691.31/5,480.36
  6. Step 6: Final answer
    x = 4,692.34

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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.