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Finding the Fourth Proportional to 2,475.40, 3,713.10 and 2,273.80

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Solution

The fourth proportional to 2,475.40, 3,713.10 and 2,273.80 is: 3,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.40 : 3,713.10 = 2,273.80 : x
  2. Step 2: Convert to fraction form
    2,475.40/3,713.10 = 2,273.80/x
  3. Step 3: Cross multiply
    2,475.40x = 3,713.10 × 2,273.80
  4. Step 4: Simplify right side
    2,475.40x = 8,442,846.78
  5. Step 5: Solve for x
    x = 8,442,846.78/2,475.40
  6. Step 6: Final answer
    x = 3,410.70

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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.