Home / 3,280.96-4,524-2,443.12

Finding the Fourth Proportional to 3,280.96, 4,524 and 2,443.12

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Solution

The fourth proportional to 3,280.96, 4,524 and 2,443.12 is: 3,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.96 : 4,524 = 2,443.12 : x
  2. Step 2: Convert to fraction form
    3,280.96/4,524 = 2,443.12/x
  3. Step 3: Cross multiply
    3,280.96x = 4,524 × 2,443.12
  4. Step 4: Simplify right side
    3,280.96x = 11,052,674.88
  5. Step 5: Solve for x
    x = 11,052,674.88/3,280.96
  6. Step 6: Final answer
    x = 3,368.73

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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.