Home / 7,285.48-10,928.94-2,092.12

Finding the Fourth Proportional to 7,285.48, 10,928.94 and 2,092.12

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Solution

The fourth proportional to 7,285.48, 10,928.94 and 2,092.12 is: 3,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.48 : 10,928.94 = 2,092.12 : x
  2. Step 2: Convert to fraction form
    7,285.48/10,928.94 = 2,092.12/x
  3. Step 3: Cross multiply
    7,285.48x = 10,928.94 × 2,092.12
  4. Step 4: Simplify right side
    7,285.48x = 22,864,653.95
  5. Step 5: Solve for x
    x = 22,864,653.95/7,285.48
  6. Step 6: Final answer
    x = 3,138.39

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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.