Home / 5,117.26-7,062.44-2,879.23

Finding the Fourth Proportional to 5,117.26, 7,062.44 and 2,879.23

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Solution

The fourth proportional to 5,117.26, 7,062.44 and 2,879.23 is: 3,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.26 : 7,062.44 = 2,879.23 : x
  2. Step 2: Convert to fraction form
    5,117.26/7,062.44 = 2,879.23/x
  3. Step 3: Cross multiply
    5,117.26x = 7,062.44 × 2,879.23
  4. Step 4: Simplify right side
    5,117.26x = 20,334,389.12
  5. Step 5: Solve for x
    x = 20,334,389.12/5,117.26
  6. Step 6: Final answer
    x = 3,973.69

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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.