Home / 7,610.48-11,408.24-3,660.65

Finding the Fourth Proportional to 7,610.48, 11,408.24 and 3,660.65

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Solution

The fourth proportional to 7,610.48, 11,408.24 and 3,660.65 is: 5,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.48 : 11,408.24 = 3,660.65 : x
  2. Step 2: Convert to fraction form
    7,610.48/11,408.24 = 3,660.65/x
  3. Step 3: Cross multiply
    7,610.48x = 11,408.24 × 3,660.65
  4. Step 4: Simplify right side
    7,610.48x = 41,761,525.87
  5. Step 5: Solve for x
    x = 41,761,525.87/7,610.48
  6. Step 6: Final answer
    x = 5,487.37

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1.5x scale

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.