Home / 7,867.92-11,800.74-2,320.14

Finding the Fourth Proportional to 7,867.92, 11,800.74 and 2,320.14

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Solution

The fourth proportional to 7,867.92, 11,800.74 and 2,320.14 is: 3,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.92 : 11,800.74 = 2,320.14 : x
  2. Step 2: Convert to fraction form
    7,867.92/11,800.74 = 2,320.14/x
  3. Step 3: Cross multiply
    7,867.92x = 11,800.74 × 2,320.14
  4. Step 4: Simplify right side
    7,867.92x = 27,379,368.90
  5. Step 5: Solve for x
    x = 27,379,368.90/7,867.92
  6. Step 6: Final answer
    x = 3,479.87

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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.