Home / 7,722.52-11,580.73-2,724.61

Finding the Fourth Proportional to 7,722.52, 11,580.73 and 2,724.61

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Solution

The fourth proportional to 7,722.52, 11,580.73 and 2,724.61 is: 4,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.52 : 11,580.73 = 2,724.61 : x
  2. Step 2: Convert to fraction form
    7,722.52/11,580.73 = 2,724.61/x
  3. Step 3: Cross multiply
    7,722.52x = 11,580.73 × 2,724.61
  4. Step 4: Simplify right side
    7,722.52x = 31,552,972.77
  5. Step 5: Solve for x
    x = 31,552,972.77/7,722.52
  6. Step 6: Final answer
    x = 4,085.84

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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.