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Finding the Fourth Proportional to 3,367.94, 5,047.85 and 2,974.28

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Solution

The fourth proportional to 3,367.94, 5,047.85 and 2,974.28 is: 4,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.94 : 5,047.85 = 2,974.28 : x
  2. Step 2: Convert to fraction form
    3,367.94/5,047.85 = 2,974.28/x
  3. Step 3: Cross multiply
    3,367.94x = 5,047.85 × 2,974.28
  4. Step 4: Simplify right side
    3,367.94x = 15,013,701.49
  5. Step 5: Solve for x
    x = 15,013,701.49/3,367.94
  6. Step 6: Final answer
    x = 4,457.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.