Home / 4,924.98-7,391.79-2,155.86

Finding the Fourth Proportional to 4,924.98, 7,391.79 and 2,155.86

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Solution

The fourth proportional to 4,924.98, 7,391.79 and 2,155.86 is: 3,235.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,924.98 : 7,391.79 = 2,155.86 : x
  2. Step 2: Convert to fraction form
    4,924.98/7,391.79 = 2,155.86/x
  3. Step 3: Cross multiply
    4,924.98x = 7,391.79 × 2,155.86
  4. Step 4: Simplify right side
    4,924.98x = 15,935,664.39
  5. Step 5: Solve for x
    x = 15,935,664.39/4,924.98
  6. Step 6: Final answer
    x = 3,235.68

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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.