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Finding the Fourth Proportional to 4,958.79, 6,843.21 and 2,969.43

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Solution

The fourth proportional to 4,958.79, 6,843.21 and 2,969.43 is: 4,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.79 : 6,843.21 = 2,969.43 : x
  2. Step 2: Convert to fraction form
    4,958.79/6,843.21 = 2,969.43/x
  3. Step 3: Cross multiply
    4,958.79x = 6,843.21 × 2,969.43
  4. Step 4: Simplify right side
    4,958.79x = 20,320,433.07
  5. Step 5: Solve for x
    x = 20,320,433.07/4,958.79
  6. Step 6: Final answer
    x = 4,097.86

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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.