Home / 3,276.91-4,523.61-2,158.44

Finding the Fourth Proportional to 3,276.91, 4,523.61 and 2,158.44

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Solution

The fourth proportional to 3,276.91, 4,523.61 and 2,158.44 is: 2,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.91 : 4,523.61 = 2,158.44 : x
  2. Step 2: Convert to fraction form
    3,276.91/4,523.61 = 2,158.44/x
  3. Step 3: Cross multiply
    3,276.91x = 4,523.61 × 2,158.44
  4. Step 4: Simplify right side
    3,276.91x = 9,763,940.77
  5. Step 5: Solve for x
    x = 9,763,940.77/3,276.91
  6. Step 6: Final answer
    x = 2,979.62

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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.