Home / 7,091.12-9,785.10-4,107.14

Finding the Fourth Proportional to 7,091.12, 9,785.10 and 4,107.14

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Solution

The fourth proportional to 7,091.12, 9,785.10 and 4,107.14 is: 5,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.12 : 9,785.10 = 4,107.14 : x
  2. Step 2: Convert to fraction form
    7,091.12/9,785.10 = 4,107.14/x
  3. Step 3: Cross multiply
    7,091.12x = 9,785.10 × 4,107.14
  4. Step 4: Simplify right side
    7,091.12x = 40,188,775.61
  5. Step 5: Solve for x
    x = 40,188,775.61/7,091.12
  6. Step 6: Final answer
    x = 5,667.48

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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.