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Finding the Fourth Proportional to 2,833.89, 3,910.74 and 1,655.94

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Solution

The fourth proportional to 2,833.89, 3,910.74 and 1,655.94 is: 2,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.89 : 3,910.74 = 1,655.94 : x
  2. Step 2: Convert to fraction form
    2,833.89/3,910.74 = 1,655.94/x
  3. Step 3: Cross multiply
    2,833.89x = 3,910.74 × 1,655.94
  4. Step 4: Simplify right side
    2,833.89x = 6,475,950.80
  5. Step 5: Solve for x
    x = 6,475,950.80/2,833.89
  6. Step 6: Final answer
    x = 2,285.18

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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.