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Finding the Fourth Proportional to 3,893.19, 5,840.42 and 1,553.19

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Solution

The fourth proportional to 3,893.19, 5,840.42 and 1,553.19 is: 2,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.19 : 5,840.42 = 1,553.19 : x
  2. Step 2: Convert to fraction form
    3,893.19/5,840.42 = 1,553.19/x
  3. Step 3: Cross multiply
    3,893.19x = 5,840.42 × 1,553.19
  4. Step 4: Simplify right side
    3,893.19x = 9,071,274.17
  5. Step 5: Solve for x
    x = 9,071,274.17/3,893.19
  6. Step 6: Final answer
    x = 2,330.04

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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.