Home / 5,420.82-7,481.34-3,063.10

Finding the Fourth Proportional to 5,420.82, 7,481.34 and 3,063.10

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Solution

The fourth proportional to 5,420.82, 7,481.34 and 3,063.10 is: 4,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.82 : 7,481.34 = 3,063.10 : x
  2. Step 2: Convert to fraction form
    5,420.82/7,481.34 = 3,063.10/x
  3. Step 3: Cross multiply
    5,420.82x = 7,481.34 × 3,063.10
  4. Step 4: Simplify right side
    5,420.82x = 22,916,092.55
  5. Step 5: Solve for x
    x = 22,916,092.55/5,420.82
  6. Step 6: Final answer
    x = 4,227.42

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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.