Home / 3,554.28-5,331.37-1,605.12

Finding the Fourth Proportional to 3,554.28, 5,331.37 and 1,605.12

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Solution

The fourth proportional to 3,554.28, 5,331.37 and 1,605.12 is: 2,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.28 : 5,331.37 = 1,605.12 : x
  2. Step 2: Convert to fraction form
    3,554.28/5,331.37 = 1,605.12/x
  3. Step 3: Cross multiply
    3,554.28x = 5,331.37 × 1,605.12
  4. Step 4: Simplify right side
    3,554.28x = 8,557,488.61
  5. Step 5: Solve for x
    x = 8,557,488.61/3,554.28
  6. Step 6: Final answer
    x = 2,407.66

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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.