Home / 7,926.70-11,890.62-2,732.50

Finding the Fourth Proportional to 7,926.70, 11,890.62 and 2,732.50

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Solution

The fourth proportional to 7,926.70, 11,890.62 and 2,732.50 is: 4,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.70 : 11,890.62 = 2,732.50 : x
  2. Step 2: Convert to fraction form
    7,926.70/11,890.62 = 2,732.50/x
  3. Step 3: Cross multiply
    7,926.70x = 11,890.62 × 2,732.50
  4. Step 4: Simplify right side
    7,926.70x = 32,491,119.15
  5. Step 5: Solve for x
    x = 32,491,119.15/7,926.70
  6. Step 6: Final answer
    x = 4,098.95

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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.