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Finding the Fourth Proportional to 3,791.58, 5,687.64 and 1,196.34

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Solution

The fourth proportional to 3,791.58, 5,687.64 and 1,196.34 is: 1,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.58 : 5,687.64 = 1,196.34 : x
  2. Step 2: Convert to fraction form
    3,791.58/5,687.64 = 1,196.34/x
  3. Step 3: Cross multiply
    3,791.58x = 5,687.64 × 1,196.34
  4. Step 4: Simplify right side
    3,791.58x = 6,804,351.24
  5. Step 5: Solve for x
    x = 6,804,351.24/3,791.58
  6. Step 6: Final answer
    x = 1,794.60

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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.