Home / 5,076.92-7,006.81-2,839.26

Finding the Fourth Proportional to 5,076.92, 7,006.81 and 2,839.26

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Solution

The fourth proportional to 5,076.92, 7,006.81 and 2,839.26 is: 3,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.92 : 7,006.81 = 2,839.26 : x
  2. Step 2: Convert to fraction form
    5,076.92/7,006.81 = 2,839.26/x
  3. Step 3: Cross multiply
    5,076.92x = 7,006.81 × 2,839.26
  4. Step 4: Simplify right side
    5,076.92x = 19,894,148.26
  5. Step 5: Solve for x
    x = 19,894,148.26/5,076.92
  6. Step 6: Final answer
    x = 3,918.54

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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.