Home / 5,112.62-7,669.56-1,826.06

Finding the Fourth Proportional to 5,112.62, 7,669.56 and 1,826.06

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Solution

The fourth proportional to 5,112.62, 7,669.56 and 1,826.06 is: 2,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.62 : 7,669.56 = 1,826.06 : x
  2. Step 2: Convert to fraction form
    5,112.62/7,669.56 = 1,826.06/x
  3. Step 3: Cross multiply
    5,112.62x = 7,669.56 × 1,826.06
  4. Step 4: Simplify right side
    5,112.62x = 14,005,076.73
  5. Step 5: Solve for x
    x = 14,005,076.73/5,112.62
  6. Step 6: Final answer
    x = 2,739.32

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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.