Home / 5,138.44-7,092.28-3,350.32

Finding the Fourth Proportional to 5,138.44, 7,092.28 and 3,350.32

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Solution

The fourth proportional to 5,138.44, 7,092.28 and 3,350.32 is: 4,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138.44 : 7,092.28 = 3,350.32 : x
  2. Step 2: Convert to fraction form
    5,138.44/7,092.28 = 3,350.32/x
  3. Step 3: Cross multiply
    5,138.44x = 7,092.28 × 3,350.32
  4. Step 4: Simplify right side
    5,138.44x = 23,761,407.53
  5. Step 5: Solve for x
    x = 23,761,407.53/5,138.44
  6. Step 6: Final answer
    x = 4,624.25

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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.