Home / 4,109.74-6,151.11-3,715.90

Finding the Fourth Proportional to 4,109.74, 6,151.11 and 3,715.90

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Solution

The fourth proportional to 4,109.74, 6,151.11 and 3,715.90 is: 5,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.74 : 6,151.11 = 3,715.90 : x
  2. Step 2: Convert to fraction form
    4,109.74/6,151.11 = 3,715.90/x
  3. Step 3: Cross multiply
    4,109.74x = 6,151.11 × 3,715.90
  4. Step 4: Simplify right side
    4,109.74x = 22,856,909.65
  5. Step 5: Solve for x
    x = 22,856,909.65/4,109.74
  6. Step 6: Final answer
    x = 5,561.64

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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.