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Finding the Fourth Proportional to 3,546.28, 4,892.76 and 1,974.10

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Solution

The fourth proportional to 3,546.28, 4,892.76 and 1,974.10 is: 2,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.28 : 4,892.76 = 1,974.10 : x
  2. Step 2: Convert to fraction form
    3,546.28/4,892.76 = 1,974.10/x
  3. Step 3: Cross multiply
    3,546.28x = 4,892.76 × 1,974.10
  4. Step 4: Simplify right side
    3,546.28x = 9,658,797.52
  5. Step 5: Solve for x
    x = 9,658,797.52/3,546.28
  6. Step 6: Final answer
    x = 2,723.64

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Double scale
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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.