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Finding the Fourth Proportional to 5,737.61, 7,917.96 and 3,185.54

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Solution

The fourth proportional to 5,737.61, 7,917.96 and 3,185.54 is: 4,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.61 : 7,917.96 = 3,185.54 : x
  2. Step 2: Convert to fraction form
    5,737.61/7,917.96 = 3,185.54/x
  3. Step 3: Cross multiply
    5,737.61x = 7,917.96 × 3,185.54
  4. Step 4: Simplify right side
    5,737.61x = 25,222,930.74
  5. Step 5: Solve for x
    x = 25,222,930.74/5,737.61
  6. Step 6: Final answer
    x = 4,396.07

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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.