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Finding the Fourth Proportional to 2,791.82, 3,852.77 and 1,673.93

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Solution

The fourth proportional to 2,791.82, 3,852.77 and 1,673.93 is: 2,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.82 : 3,852.77 = 1,673.93 : x
  2. Step 2: Convert to fraction form
    2,791.82/3,852.77 = 1,673.93/x
  3. Step 3: Cross multiply
    2,791.82x = 3,852.77 × 1,673.93
  4. Step 4: Simplify right side
    2,791.82x = 6,449,239.65
  5. Step 5: Solve for x
    x = 6,449,239.65/2,791.82
  6. Step 6: Final answer
    x = 2,310.05

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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.