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Finding the Fourth Proportional to 4,652.79, 6,422.54 and 3,081.39

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Solution

The fourth proportional to 4,652.79, 6,422.54 and 3,081.39 is: 4,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.79 : 6,422.54 = 3,081.39 : x
  2. Step 2: Convert to fraction form
    4,652.79/6,422.54 = 3,081.39/x
  3. Step 3: Cross multiply
    4,652.79x = 6,422.54 × 3,081.39
  4. Step 4: Simplify right side
    4,652.79x = 19,790,335.12
  5. Step 5: Solve for x
    x = 19,790,335.12/4,652.79
  6. Step 6: Final answer
    x = 4,253.43

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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.