Home / 5,201.72-7,180.98-3,531.96

Finding the Fourth Proportional to 5,201.72, 7,180.98 and 3,531.96

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Solution

The fourth proportional to 5,201.72, 7,180.98 and 3,531.96 is: 4,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.72 : 7,180.98 = 3,531.96 : x
  2. Step 2: Convert to fraction form
    5,201.72/7,180.98 = 3,531.96/x
  3. Step 3: Cross multiply
    5,201.72x = 7,180.98 × 3,531.96
  4. Step 4: Simplify right side
    5,201.72x = 25,362,934.12
  5. Step 5: Solve for x
    x = 25,362,934.12/5,201.72
  6. Step 6: Final answer
    x = 4,875.87

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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.