Home / 5,481.89-7,564.44-3,243.33

Finding the Fourth Proportional to 5,481.89, 7,564.44 and 3,243.33

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Solution

The fourth proportional to 5,481.89, 7,564.44 and 3,243.33 is: 4,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.89 : 7,564.44 = 3,243.33 : x
  2. Step 2: Convert to fraction form
    5,481.89/7,564.44 = 3,243.33/x
  3. Step 3: Cross multiply
    5,481.89x = 7,564.44 × 3,243.33
  4. Step 4: Simplify right side
    5,481.89x = 24,533,921.15
  5. Step 5: Solve for x
    x = 24,533,921.15/5,481.89
  6. Step 6: Final answer
    x = 4,475.45

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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.