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Finding the Fourth Proportional to 3,833.16, 5,751.57 and 1,983.93

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Solution

The fourth proportional to 3,833.16, 5,751.57 and 1,983.93 is: 2,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.16 : 5,751.57 = 1,983.93 : x
  2. Step 2: Convert to fraction form
    3,833.16/5,751.57 = 1,983.93/x
  3. Step 3: Cross multiply
    3,833.16x = 5,751.57 × 1,983.93
  4. Step 4: Simplify right side
    3,833.16x = 11,410,712.27
  5. Step 5: Solve for x
    x = 11,410,712.27/3,833.16
  6. Step 6: Final answer
    x = 2,976.84

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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.