Home / 3,149.37-4,351.77-2,263.64

Finding the Fourth Proportional to 3,149.37, 4,351.77 and 2,263.64

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Solution

The fourth proportional to 3,149.37, 4,351.77 and 2,263.64 is: 3,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.37 : 4,351.77 = 2,263.64 : x
  2. Step 2: Convert to fraction form
    3,149.37/4,351.77 = 2,263.64/x
  3. Step 3: Cross multiply
    3,149.37x = 4,351.77 × 2,263.64
  4. Step 4: Simplify right side
    3,149.37x = 9,850,818.88
  5. Step 5: Solve for x
    x = 9,850,818.88/3,149.37
  6. Step 6: Final answer
    x = 3,127.87

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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.