Home / 4,121.32-6,169.76-3,699.04

Finding the Fourth Proportional to 4,121.32, 6,169.76 and 3,699.04

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Solution

The fourth proportional to 4,121.32, 6,169.76 and 3,699.04 is: 5,537.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.32 : 6,169.76 = 3,699.04 : x
  2. Step 2: Convert to fraction form
    4,121.32/6,169.76 = 3,699.04/x
  3. Step 3: Cross multiply
    4,121.32x = 6,169.76 × 3,699.04
  4. Step 4: Simplify right side
    4,121.32x = 22,822,139.69
  5. Step 5: Solve for x
    x = 22,822,139.69/4,121.32
  6. Step 6: Final answer
    x = 5,537.59

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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.