Home / 3,271.73-4,517.01-2,431.49

Finding the Fourth Proportional to 3,271.73, 4,517.01 and 2,431.49

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Solution

The fourth proportional to 3,271.73, 4,517.01 and 2,431.49 is: 3,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.73 : 4,517.01 = 2,431.49 : x
  2. Step 2: Convert to fraction form
    3,271.73/4,517.01 = 2,431.49/x
  3. Step 3: Cross multiply
    3,271.73x = 4,517.01 × 2,431.49
  4. Step 4: Simplify right side
    3,271.73x = 10,983,042.06
  5. Step 5: Solve for x
    x = 10,983,042.06/3,271.73
  6. Step 6: Final answer
    x = 3,356.96

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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.