Home / 3,768.21-5,195.61-2,441.43

Finding the Fourth Proportional to 3,768.21, 5,195.61 and 2,441.43

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Solution

The fourth proportional to 3,768.21, 5,195.61 and 2,441.43 is: 3,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.21 : 5,195.61 = 2,441.43 : x
  2. Step 2: Convert to fraction form
    3,768.21/5,195.61 = 2,441.43/x
  3. Step 3: Cross multiply
    3,768.21x = 5,195.61 × 2,441.43
  4. Step 4: Simplify right side
    3,768.21x = 12,684,718.12
  5. Step 5: Solve for x
    x = 12,684,718.12/3,768.21
  6. Step 6: Final answer
    x = 3,366.25

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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.