Home / 4,155.24-6,224.94-3,109.92

Finding the Fourth Proportional to 4,155.24, 6,224.94 and 3,109.92

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Solution

The fourth proportional to 4,155.24, 6,224.94 and 3,109.92 is: 4,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.24 : 6,224.94 = 3,109.92 : x
  2. Step 2: Convert to fraction form
    4,155.24/6,224.94 = 3,109.92/x
  3. Step 3: Cross multiply
    4,155.24x = 6,224.94 × 3,109.92
  4. Step 4: Simplify right side
    4,155.24x = 19,359,065.40
  5. Step 5: Solve for x
    x = 19,359,065.40/4,155.24
  6. Step 6: Final answer
    x = 4,658.95

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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.