Home / 3,753.36-5,179.32-2,074.68

Finding the Fourth Proportional to 3,753.36, 5,179.32 and 2,074.68

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Solution

The fourth proportional to 3,753.36, 5,179.32 and 2,074.68 is: 2,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.36 : 5,179.32 = 2,074.68 : x
  2. Step 2: Convert to fraction form
    3,753.36/5,179.32 = 2,074.68/x
  3. Step 3: Cross multiply
    3,753.36x = 5,179.32 × 2,074.68
  4. Step 4: Simplify right side
    3,753.36x = 10,745,431.62
  5. Step 5: Solve for x
    x = 10,745,431.62/3,753.36
  6. Step 6: Final answer
    x = 2,862.88

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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.