Home / 5,021.07-6,929.25-3,031.23

Finding the Fourth Proportional to 5,021.07, 6,929.25 and 3,031.23

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Solution

The fourth proportional to 5,021.07, 6,929.25 and 3,031.23 is: 4,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.07 : 6,929.25 = 3,031.23 : x
  2. Step 2: Convert to fraction form
    5,021.07/6,929.25 = 3,031.23/x
  3. Step 3: Cross multiply
    5,021.07x = 6,929.25 × 3,031.23
  4. Step 4: Simplify right side
    5,021.07x = 21,004,160.22
  5. Step 5: Solve for x
    x = 21,004,160.22/5,021.07
  6. Step 6: Final answer
    x = 4,183.21

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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.