Home / 5,150.36-7,108.52-2,912.27

Finding the Fourth Proportional to 5,150.36, 7,108.52 and 2,912.27

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Solution

The fourth proportional to 5,150.36, 7,108.52 and 2,912.27 is: 4,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.36 : 7,108.52 = 2,912.27 : x
  2. Step 2: Convert to fraction form
    5,150.36/7,108.52 = 2,912.27/x
  3. Step 3: Cross multiply
    5,150.36x = 7,108.52 × 2,912.27
  4. Step 4: Simplify right side
    5,150.36x = 20,701,879.44
  5. Step 5: Solve for x
    x = 20,701,879.44/5,150.36
  6. Step 6: Final answer
    x = 4,019.51

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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.