Home / 3,738.21-5,158.79-2,059.62

Finding the Fourth Proportional to 3,738.21, 5,158.79 and 2,059.62

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Solution

The fourth proportional to 3,738.21, 5,158.79 and 2,059.62 is: 2,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.21 : 5,158.79 = 2,059.62 : x
  2. Step 2: Convert to fraction form
    3,738.21/5,158.79 = 2,059.62/x
  3. Step 3: Cross multiply
    3,738.21x = 5,158.79 × 2,059.62
  4. Step 4: Simplify right side
    3,738.21x = 10,625,147.06
  5. Step 5: Solve for x
    x = 10,625,147.06/3,738.21
  6. Step 6: Final answer
    x = 2,842.31

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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.