Home / 7,926.49-11,890.64-2,083.21

Finding the Fourth Proportional to 7,926.49, 11,890.64 and 2,083.21

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Solution

The fourth proportional to 7,926.49, 11,890.64 and 2,083.21 is: 3,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.49 : 11,890.64 = 2,083.21 : x
  2. Step 2: Convert to fraction form
    7,926.49/11,890.64 = 2,083.21/x
  3. Step 3: Cross multiply
    7,926.49x = 11,890.64 × 2,083.21
  4. Step 4: Simplify right side
    7,926.49x = 24,770,700.15
  5. Step 5: Solve for x
    x = 24,770,700.15/7,926.49
  6. Step 6: Final answer
    x = 3,125.05

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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.