Home / 7,610.92-11,408.19-4,977.43

Finding the Fourth Proportional to 7,610.92, 11,408.19 and 4,977.43

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Solution

The fourth proportional to 7,610.92, 11,408.19 and 4,977.43 is: 7,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.92 : 11,408.19 = 4,977.43 : x
  2. Step 2: Convert to fraction form
    7,610.92/11,408.19 = 4,977.43/x
  3. Step 3: Cross multiply
    7,610.92x = 11,408.19 × 4,977.43
  4. Step 4: Simplify right side
    7,610.92x = 56,783,467.15
  5. Step 5: Solve for x
    x = 56,783,467.15/7,610.92
  6. Step 6: Final answer
    x = 7,460.79

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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.