Home / 4,945.60-7,408.68-2,992.96

Finding the Fourth Proportional to 4,945.60, 7,408.68 and 2,992.96

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Solution

The fourth proportional to 4,945.60, 7,408.68 and 2,992.96 is: 4,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.60 : 7,408.68 = 2,992.96 : x
  2. Step 2: Convert to fraction form
    4,945.60/7,408.68 = 2,992.96/x
  3. Step 3: Cross multiply
    4,945.60x = 7,408.68 × 2,992.96
  4. Step 4: Simplify right side
    4,945.60x = 22,173,882.89
  5. Step 5: Solve for x
    x = 22,173,882.89/4,945.60
  6. Step 6: Final answer
    x = 4,483.56

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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.