Home / 7,755.10-11,623.37-2,822.05

Finding the Fourth Proportional to 7,755.10, 11,623.37 and 2,822.05

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Solution

The fourth proportional to 7,755.10, 11,623.37 and 2,822.05 is: 4,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.10 : 11,623.37 = 2,822.05 : x
  2. Step 2: Convert to fraction form
    7,755.10/11,623.37 = 2,822.05/x
  3. Step 3: Cross multiply
    7,755.10x = 11,623.37 × 2,822.05
  4. Step 4: Simplify right side
    7,755.10x = 32,801,709.31
  5. Step 5: Solve for x
    x = 32,801,709.31/7,755.10
  6. Step 6: Final answer
    x = 4,229.70

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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.