Home / 3,542.34-5,317.61-1,902.09

Finding the Fourth Proportional to 3,542.34, 5,317.61 and 1,902.09

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Solution

The fourth proportional to 3,542.34, 5,317.61 and 1,902.09 is: 2,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.34 : 5,317.61 = 1,902.09 : x
  2. Step 2: Convert to fraction form
    3,542.34/5,317.61 = 1,902.09/x
  3. Step 3: Cross multiply
    3,542.34x = 5,317.61 × 1,902.09
  4. Step 4: Simplify right side
    3,542.34x = 10,114,572.80
  5. Step 5: Solve for x
    x = 10,114,572.80/3,542.34
  6. Step 6: Final answer
    x = 2,855.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.