Home / 4,620.42-6,933.77-2,155.49

Finding the Fourth Proportional to 4,620.42, 6,933.77 and 2,155.49

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Solution

The fourth proportional to 4,620.42, 6,933.77 and 2,155.49 is: 3,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.42 : 6,933.77 = 2,155.49 : x
  2. Step 2: Convert to fraction form
    4,620.42/6,933.77 = 2,155.49/x
  3. Step 3: Cross multiply
    4,620.42x = 6,933.77 × 2,155.49
  4. Step 4: Simplify right side
    4,620.42x = 14,945,626.45
  5. Step 5: Solve for x
    x = 14,945,626.45/4,620.42
  6. Step 6: Final answer
    x = 3,234.69

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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.