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Finding the Fourth Proportional to 2,257.44, 3,386.70 and 796.92

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Solution

The fourth proportional to 2,257.44, 3,386.70 and 796.92 is: 1,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.44 : 3,386.70 = 796.92 : x
  2. Step 2: Convert to fraction form
    2,257.44/3,386.70 = 796.92/x
  3. Step 3: Cross multiply
    2,257.44x = 3,386.70 × 796.92
  4. Step 4: Simplify right side
    2,257.44x = 2,698,928.96
  5. Step 5: Solve for x
    x = 2,698,928.96/2,257.44
  6. Step 6: Final answer
    x = 1,195.57

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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.