Home / 3,270.92-4,515.12-2,092.64

Finding the Fourth Proportional to 3,270.92, 4,515.12 and 2,092.64

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Solution

The fourth proportional to 3,270.92, 4,515.12 and 2,092.64 is: 2,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.92 : 4,515.12 = 2,092.64 : x
  2. Step 2: Convert to fraction form
    3,270.92/4,515.12 = 2,092.64/x
  3. Step 3: Cross multiply
    3,270.92x = 4,515.12 × 2,092.64
  4. Step 4: Simplify right side
    3,270.92x = 9,448,520.72
  5. Step 5: Solve for x
    x = 9,448,520.72/3,270.92
  6. Step 6: Final answer
    x = 2,888.64

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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.