Home / 2,320.37-3,481.12-676.93

Finding the Fourth Proportional to 2,320.37, 3,481.12 and 676.93

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Solution

The fourth proportional to 2,320.37, 3,481.12 and 676.93 is: 1,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.37 : 3,481.12 = 676.93 : x
  2. Step 2: Convert to fraction form
    2,320.37/3,481.12 = 676.93/x
  3. Step 3: Cross multiply
    2,320.37x = 3,481.12 × 676.93
  4. Step 4: Simplify right side
    2,320.37x = 2,356,474.56
  5. Step 5: Solve for x
    x = 2,356,474.56/2,320.37
  6. Step 6: Final answer
    x = 1,015.56

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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.