Home / 5,627.22-7,765.62-3,238.37

Finding the Fourth Proportional to 5,627.22, 7,765.62 and 3,238.37

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Solution

The fourth proportional to 5,627.22, 7,765.62 and 3,238.37 is: 4,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.22 : 7,765.62 = 3,238.37 : x
  2. Step 2: Convert to fraction form
    5,627.22/7,765.62 = 3,238.37/x
  3. Step 3: Cross multiply
    5,627.22x = 7,765.62 × 3,238.37
  4. Step 4: Simplify right side
    5,627.22x = 25,147,912.01
  5. Step 5: Solve for x
    x = 25,147,912.01/5,627.22
  6. Step 6: Final answer
    x = 4,468.98

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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.