Home / 2,715.12-3,747.33-1,667.25

Finding the Fourth Proportional to 2,715.12, 3,747.33 and 1,667.25

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Solution

The fourth proportional to 2,715.12, 3,747.33 and 1,667.25 is: 2,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.12 : 3,747.33 = 1,667.25 : x
  2. Step 2: Convert to fraction form
    2,715.12/3,747.33 = 1,667.25/x
  3. Step 3: Cross multiply
    2,715.12x = 3,747.33 × 1,667.25
  4. Step 4: Simplify right side
    2,715.12x = 6,247,735.94
  5. Step 5: Solve for x
    x = 6,247,735.94/2,715.12
  6. Step 6: Final answer
    x = 2,301.09

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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.