Home / 4,768.37-7,149.66-2,135.39

Finding the Fourth Proportional to 4,768.37, 7,149.66 and 2,135.39

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Solution

The fourth proportional to 4,768.37, 7,149.66 and 2,135.39 is: 3,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.37 : 7,149.66 = 2,135.39 : x
  2. Step 2: Convert to fraction form
    4,768.37/7,149.66 = 2,135.39/x
  3. Step 3: Cross multiply
    4,768.37x = 7,149.66 × 2,135.39
  4. Step 4: Simplify right side
    4,768.37x = 15,267,268.71
  5. Step 5: Solve for x
    x = 15,267,268.71/4,768.37
  6. Step 6: Final answer
    x = 3,201.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.