Home / 5,481.58-7,563.99-3,243.55

Finding the Fourth Proportional to 5,481.58, 7,563.99 and 3,243.55

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Solution

The fourth proportional to 5,481.58, 7,563.99 and 3,243.55 is: 4,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.58 : 7,563.99 = 3,243.55 : x
  2. Step 2: Convert to fraction form
    5,481.58/7,563.99 = 3,243.55/x
  3. Step 3: Cross multiply
    5,481.58x = 7,563.99 × 3,243.55
  4. Step 4: Simplify right side
    5,481.58x = 24,534,173.02
  5. Step 5: Solve for x
    x = 24,534,173.02/5,481.58
  6. Step 6: Final answer
    x = 4,475.75

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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.