Home / 3,243.15-4,864.80-1,163.30

Finding the Fourth Proportional to 3,243.15, 4,864.80 and 1,163.30

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Solution

The fourth proportional to 3,243.15, 4,864.80 and 1,163.30 is: 1,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.15 : 4,864.80 = 1,163.30 : x
  2. Step 2: Convert to fraction form
    3,243.15/4,864.80 = 1,163.30/x
  3. Step 3: Cross multiply
    3,243.15x = 4,864.80 × 1,163.30
  4. Step 4: Simplify right side
    3,243.15x = 5,659,197.52
  5. Step 5: Solve for x
    x = 5,659,197.52/3,243.15
  6. Step 6: Final answer
    x = 1,744.97

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1.5x scale

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.