Home / 5,481.87-7,563.20-3,355.19

Finding the Fourth Proportional to 5,481.87, 7,563.20 and 3,355.19

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Solution

The fourth proportional to 5,481.87, 7,563.20 and 3,355.19 is: 4,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.87 : 7,563.20 = 3,355.19 : x
  2. Step 2: Convert to fraction form
    5,481.87/7,563.20 = 3,355.19/x
  3. Step 3: Cross multiply
    5,481.87x = 7,563.20 × 3,355.19
  4. Step 4: Simplify right side
    5,481.87x = 25,375,918.42
  5. Step 5: Solve for x
    x = 25,375,918.42/5,481.87
  6. Step 6: Final answer
    x = 4,629.06

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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.