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Finding the Fourth Proportional to 4,144.88, 5,719.94 and 2,281.88

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Solution

The fourth proportional to 4,144.88, 5,719.94 and 2,281.88 is: 3,148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.88 : 5,719.94 = 2,281.88 : x
  2. Step 2: Convert to fraction form
    4,144.88/5,719.94 = 2,281.88/x
  3. Step 3: Cross multiply
    4,144.88x = 5,719.94 × 2,281.88
  4. Step 4: Simplify right side
    4,144.88x = 13,052,176.68
  5. Step 5: Solve for x
    x = 13,052,176.68/4,144.88
  6. Step 6: Final answer
    x = 3,148.99

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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.