Home / 7,325.09-10,991.62-3,107.68

Finding the Fourth Proportional to 7,325.09, 10,991.62 and 3,107.68

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Solution

The fourth proportional to 7,325.09, 10,991.62 and 3,107.68 is: 4,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.09 : 10,991.62 = 3,107.68 : x
  2. Step 2: Convert to fraction form
    7,325.09/10,991.62 = 3,107.68/x
  3. Step 3: Cross multiply
    7,325.09x = 10,991.62 × 3,107.68
  4. Step 4: Simplify right side
    7,325.09x = 34,158,402.39
  5. Step 5: Solve for x
    x = 34,158,402.39/7,325.09
  6. Step 6: Final answer
    x = 4,663.21

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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.