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Finding the Fourth Proportional to 3,837.98, 5,763.39 and 3,355.22

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Solution

The fourth proportional to 3,837.98, 5,763.39 and 3,355.22 is: 5,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.98 : 5,763.39 = 3,355.22 : x
  2. Step 2: Convert to fraction form
    3,837.98/5,763.39 = 3,355.22/x
  3. Step 3: Cross multiply
    3,837.98x = 5,763.39 × 3,355.22
  4. Step 4: Simplify right side
    3,837.98x = 19,337,441.40
  5. Step 5: Solve for x
    x = 19,337,441.40/3,837.98
  6. Step 6: Final answer
    x = 5,038.44

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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.