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Finding the Fourth Proportional to 3,792.83, 5,690.36 and 1,945.24

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Solution

The fourth proportional to 3,792.83, 5,690.36 and 1,945.24 is: 2,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.83 : 5,690.36 = 1,945.24 : x
  2. Step 2: Convert to fraction form
    3,792.83/5,690.36 = 1,945.24/x
  3. Step 3: Cross multiply
    3,792.83x = 5,690.36 × 1,945.24
  4. Step 4: Simplify right side
    3,792.83x = 11,069,099.23
  5. Step 5: Solve for x
    x = 11,069,099.23/3,792.83
  6. Step 6: Final answer
    x = 2,918.43

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Similar ratio
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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.