Home / 5,101.44-7,040.40-2,863.26

Finding the Fourth Proportional to 5,101.44, 7,040.40 and 2,863.26

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Solution

The fourth proportional to 5,101.44, 7,040.40 and 2,863.26 is: 3,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.44 : 7,040.40 = 2,863.26 : x
  2. Step 2: Convert to fraction form
    5,101.44/7,040.40 = 2,863.26/x
  3. Step 3: Cross multiply
    5,101.44x = 7,040.40 × 2,863.26
  4. Step 4: Simplify right side
    5,101.44x = 20,158,495.70
  5. Step 5: Solve for x
    x = 20,158,495.70/5,101.44
  6. Step 6: Final answer
    x = 3,951.53

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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.