Home / 4,945.11-6,824.40-3,031.29

Finding the Fourth Proportional to 4,945.11, 6,824.40 and 3,031.29

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Solution

The fourth proportional to 4,945.11, 6,824.40 and 3,031.29 is: 4,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.11 : 6,824.40 = 3,031.29 : x
  2. Step 2: Convert to fraction form
    4,945.11/6,824.40 = 3,031.29/x
  3. Step 3: Cross multiply
    4,945.11x = 6,824.40 × 3,031.29
  4. Step 4: Simplify right side
    4,945.11x = 20,686,735.48
  5. Step 5: Solve for x
    x = 20,686,735.48/4,945.11
  6. Step 6: Final answer
    x = 4,183.27

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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.