Home / 5,169.10-7,133.33-2,930.97

Finding the Fourth Proportional to 5,169.10, 7,133.33 and 2,930.97

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Solution

The fourth proportional to 5,169.10, 7,133.33 and 2,930.97 is: 4,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.10 : 7,133.33 = 2,930.97 : x
  2. Step 2: Convert to fraction form
    5,169.10/7,133.33 = 2,930.97/x
  3. Step 3: Cross multiply
    5,169.10x = 7,133.33 × 2,930.97
  4. Step 4: Simplify right side
    5,169.10x = 20,907,576.23
  5. Step 5: Solve for x
    x = 20,907,576.23/5,169.10
  6. Step 6: Final answer
    x = 4,044.72

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1.5x scale

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.