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Finding the Fourth Proportional to 2,704.70, 3,730.57 and 1,758.75

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Solution

The fourth proportional to 2,704.70, 3,730.57 and 1,758.75 is: 2,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.70 : 3,730.57 = 1,758.75 : x
  2. Step 2: Convert to fraction form
    2,704.70/3,730.57 = 1,758.75/x
  3. Step 3: Cross multiply
    2,704.70x = 3,730.57 × 1,758.75
  4. Step 4: Simplify right side
    2,704.70x = 6,561,121.60
  5. Step 5: Solve for x
    x = 6,561,121.60/2,704.70
  6. Step 6: Final answer
    x = 2,425.82

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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.