Home / 7,318.44-10,976.58-2,388.15

Finding the Fourth Proportional to 7,318.44, 10,976.58 and 2,388.15

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Solution

The fourth proportional to 7,318.44, 10,976.58 and 2,388.15 is: 3,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.44 : 10,976.58 = 2,388.15 : x
  2. Step 2: Convert to fraction form
    7,318.44/10,976.58 = 2,388.15/x
  3. Step 3: Cross multiply
    7,318.44x = 10,976.58 × 2,388.15
  4. Step 4: Simplify right side
    7,318.44x = 26,213,719.53
  5. Step 5: Solve for x
    x = 26,213,719.53/7,318.44
  6. Step 6: Final answer
    x = 3,581.87

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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.