Home / 3,983.12-5,496.89-2,214.75

Finding the Fourth Proportional to 3,983.12, 5,496.89 and 2,214.75

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Solution

The fourth proportional to 3,983.12, 5,496.89 and 2,214.75 is: 3,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.12 : 5,496.89 = 2,214.75 : x
  2. Step 2: Convert to fraction form
    3,983.12/5,496.89 = 2,214.75/x
  3. Step 3: Cross multiply
    3,983.12x = 5,496.89 × 2,214.75
  4. Step 4: Simplify right side
    3,983.12x = 12,174,237.13
  5. Step 5: Solve for x
    x = 12,174,237.13/3,983.12
  6. Step 6: Final answer
    x = 3,056.46

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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.