Home / 5,556.97-7,668.81-3,039.31

Finding the Fourth Proportional to 5,556.97, 7,668.81 and 3,039.31

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Solution

The fourth proportional to 5,556.97, 7,668.81 and 3,039.31 is: 4,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.97 : 7,668.81 = 3,039.31 : x
  2. Step 2: Convert to fraction form
    5,556.97/7,668.81 = 3,039.31/x
  3. Step 3: Cross multiply
    5,556.97x = 7,668.81 × 3,039.31
  4. Step 4: Simplify right side
    5,556.97x = 23,307,890.92
  5. Step 5: Solve for x
    x = 23,307,890.92/5,556.97
  6. Step 6: Final answer
    x = 4,194.35

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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.