Home / 5,185.89-7,156.49-2,827.98

Finding the Fourth Proportional to 5,185.89, 7,156.49 and 2,827.98

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Solution

The fourth proportional to 5,185.89, 7,156.49 and 2,827.98 is: 3,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.89 : 7,156.49 = 2,827.98 : x
  2. Step 2: Convert to fraction form
    5,185.89/7,156.49 = 2,827.98/x
  3. Step 3: Cross multiply
    5,185.89x = 7,156.49 × 2,827.98
  4. Step 4: Simplify right side
    5,185.89x = 20,238,396.45
  5. Step 5: Solve for x
    x = 20,238,396.45/5,185.89
  6. Step 6: Final answer
    x = 3,902.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.