Home / 4,190.46-5,781.64-2,699.24

Finding the Fourth Proportional to 4,190.46, 5,781.64 and 2,699.24

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Solution

The fourth proportional to 4,190.46, 5,781.64 and 2,699.24 is: 3,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.46 : 5,781.64 = 2,699.24 : x
  2. Step 2: Convert to fraction form
    4,190.46/5,781.64 = 2,699.24/x
  3. Step 3: Cross multiply
    4,190.46x = 5,781.64 × 2,699.24
  4. Step 4: Simplify right side
    4,190.46x = 15,606,033.95
  5. Step 5: Solve for x
    x = 15,606,033.95/4,190.46
  6. Step 6: Final answer
    x = 3,724.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.