Home / 5,117.36-7,054.44-3,620.66

Finding the Fourth Proportional to 5,117.36, 7,054.44 and 3,620.66

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Solution

The fourth proportional to 5,117.36, 7,054.44 and 3,620.66 is: 4,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.36 : 7,054.44 = 3,620.66 : x
  2. Step 2: Convert to fraction form
    5,117.36/7,054.44 = 3,620.66/x
  3. Step 3: Cross multiply
    5,117.36x = 7,054.44 × 3,620.66
  4. Step 4: Simplify right side
    5,117.36x = 25,541,728.73
  5. Step 5: Solve for x
    x = 25,541,728.73/5,117.36
  6. Step 6: Final answer
    x = 4,991.19

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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.