Home / 3,660.77-5,481.75-2,015.48

Finding the Fourth Proportional to 3,660.77, 5,481.75 and 2,015.48

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Solution

The fourth proportional to 3,660.77, 5,481.75 and 2,015.48 is: 3,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.77 : 5,481.75 = 2,015.48 : x
  2. Step 2: Convert to fraction form
    3,660.77/5,481.75 = 2,015.48/x
  3. Step 3: Cross multiply
    3,660.77x = 5,481.75 × 2,015.48
  4. Step 4: Simplify right side
    3,660.77x = 11,048,330.08
  5. Step 5: Solve for x
    x = 11,048,330.08/3,660.77
  6. Step 6: Final answer
    x = 3,018.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.