Home / 7,371.18-11,054.49-2,439.81

Finding the Fourth Proportional to 7,371.18, 11,054.49 and 2,439.81

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Solution

The fourth proportional to 7,371.18, 11,054.49 and 2,439.81 is: 3,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.18 : 11,054.49 = 2,439.81 : x
  2. Step 2: Convert to fraction form
    7,371.18/11,054.49 = 2,439.81/x
  3. Step 3: Cross multiply
    7,371.18x = 11,054.49 × 2,439.81
  4. Step 4: Simplify right side
    7,371.18x = 26,970,855.25
  5. Step 5: Solve for x
    x = 26,970,855.25/7,371.18
  6. Step 6: Final answer
    x = 3,658.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.