Home / 3,968.46-5,475.60-2,974.59

Finding the Fourth Proportional to 3,968.46, 5,475.60 and 2,974.59

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Solution

The fourth proportional to 3,968.46, 5,475.60 and 2,974.59 is: 4,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.46 : 5,475.60 = 2,974.59 : x
  2. Step 2: Convert to fraction form
    3,968.46/5,475.60 = 2,974.59/x
  3. Step 3: Cross multiply
    3,968.46x = 5,475.60 × 2,974.59
  4. Step 4: Simplify right side
    3,968.46x = 16,287,665.00
  5. Step 5: Solve for x
    x = 16,287,665.00/3,968.46
  6. Step 6: Final answer
    x = 4,104.28

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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.