Home / 7,927.17-11,890.88-3,767.61

Finding the Fourth Proportional to 7,927.17, 11,890.88 and 3,767.61

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Solution

The fourth proportional to 7,927.17, 11,890.88 and 3,767.61 is: 5,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.17 : 11,890.88 = 3,767.61 : x
  2. Step 2: Convert to fraction form
    7,927.17/11,890.88 = 3,767.61/x
  3. Step 3: Cross multiply
    7,927.17x = 11,890.88 × 3,767.61
  4. Step 4: Simplify right side
    7,927.17x = 44,800,198.40
  5. Step 5: Solve for x
    x = 44,800,198.40/7,927.17
  6. Step 6: Final answer
    x = 5,651.47

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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.