Home / 5,201.30-7,180.25-3,213.02

Finding the Fourth Proportional to 5,201.30, 7,180.25 and 3,213.02

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Solution

The fourth proportional to 5,201.30, 7,180.25 and 3,213.02 is: 4,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.30 : 7,180.25 = 3,213.02 : x
  2. Step 2: Convert to fraction form
    5,201.30/7,180.25 = 3,213.02/x
  3. Step 3: Cross multiply
    5,201.30x = 7,180.25 × 3,213.02
  4. Step 4: Simplify right side
    5,201.30x = 23,070,288.74
  5. Step 5: Solve for x
    x = 23,070,288.74/5,201.30
  6. Step 6: Final answer
    x = 4,435.48

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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.