Home / 4,249.12-6,373.92-1,940.32

Finding the Fourth Proportional to 4,249.12, 6,373.92 and 1,940.32

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Solution

The fourth proportional to 4,249.12, 6,373.92 and 1,940.32 is: 2,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.12 : 6,373.92 = 1,940.32 : x
  2. Step 2: Convert to fraction form
    4,249.12/6,373.92 = 1,940.32/x
  3. Step 3: Cross multiply
    4,249.12x = 6,373.92 × 1,940.32
  4. Step 4: Simplify right side
    4,249.12x = 12,367,444.45
  5. Step 5: Solve for x
    x = 12,367,444.45/4,249.12
  6. Step 6: Final answer
    x = 2,910.59

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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.