Home / 5,186.17-7,781.99-2,261.06

Finding the Fourth Proportional to 5,186.17, 7,781.99 and 2,261.06

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Solution

The fourth proportional to 5,186.17, 7,781.99 and 2,261.06 is: 3,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.17 : 7,781.99 = 2,261.06 : x
  2. Step 2: Convert to fraction form
    5,186.17/7,781.99 = 2,261.06/x
  3. Step 3: Cross multiply
    5,186.17x = 7,781.99 × 2,261.06
  4. Step 4: Simplify right side
    5,186.17x = 17,595,496.09
  5. Step 5: Solve for x
    x = 17,595,496.09/5,186.17
  6. Step 6: Final answer
    x = 3,392.77

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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.