Home / 5,189.22-7,162.66-3,617.82

Finding the Fourth Proportional to 5,189.22, 7,162.66 and 3,617.82

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Solution

The fourth proportional to 5,189.22, 7,162.66 and 3,617.82 is: 4,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.22 : 7,162.66 = 3,617.82 : x
  2. Step 2: Convert to fraction form
    5,189.22/7,162.66 = 3,617.82/x
  3. Step 3: Cross multiply
    5,189.22x = 7,162.66 × 3,617.82
  4. Step 4: Simplify right side
    5,189.22x = 25,913,196.51
  5. Step 5: Solve for x
    x = 25,913,196.51/5,189.22
  6. Step 6: Final answer
    x = 4,993.66

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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.