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Finding the Fourth Proportional to 4,958.52, 6,842.92 and 2,720.42

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Solution

The fourth proportional to 4,958.52, 6,842.92 and 2,720.42 is: 3,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.52 : 6,842.92 = 2,720.42 : x
  2. Step 2: Convert to fraction form
    4,958.52/6,842.92 = 2,720.42/x
  3. Step 3: Cross multiply
    4,958.52x = 6,842.92 × 2,720.42
  4. Step 4: Simplify right side
    4,958.52x = 18,615,616.43
  5. Step 5: Solve for x
    x = 18,615,616.43/4,958.52
  6. Step 6: Final answer
    x = 3,754.27

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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.