Home / 7,723.17-11,584.63-1,879.79

Finding the Fourth Proportional to 7,723.17, 11,584.63 and 1,879.79

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Solution

The fourth proportional to 7,723.17, 11,584.63 and 1,879.79 is: 2,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.17 : 11,584.63 = 1,879.79 : x
  2. Step 2: Convert to fraction form
    7,723.17/11,584.63 = 1,879.79/x
  3. Step 3: Cross multiply
    7,723.17x = 11,584.63 × 1,879.79
  4. Step 4: Simplify right side
    7,723.17x = 21,776,671.63
  5. Step 5: Solve for x
    x = 21,776,671.63/7,723.17
  6. Step 6: Final answer
    x = 2,819.65

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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.