Home / 5,101.23-7,040.09-2,863.29

Finding the Fourth Proportional to 5,101.23, 7,040.09 and 2,863.29

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Solution

The fourth proportional to 5,101.23, 7,040.09 and 2,863.29 is: 3,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.23 : 7,040.09 = 2,863.29 : x
  2. Step 2: Convert to fraction form
    5,101.23/7,040.09 = 2,863.29/x
  3. Step 3: Cross multiply
    5,101.23x = 7,040.09 × 2,863.29
  4. Step 4: Simplify right side
    5,101.23x = 20,157,804.98
  5. Step 5: Solve for x
    x = 20,157,804.98/5,101.23
  6. Step 6: Final answer
    x = 3,951.56

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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.