Home / 3,091.14-4,263.86-2,028.98

Finding the Fourth Proportional to 3,091.14, 4,263.86 and 2,028.98

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Solution

The fourth proportional to 3,091.14, 4,263.86 and 2,028.98 is: 2,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.14 : 4,263.86 = 2,028.98 : x
  2. Step 2: Convert to fraction form
    3,091.14/4,263.86 = 2,028.98/x
  3. Step 3: Cross multiply
    3,091.14x = 4,263.86 × 2,028.98
  4. Step 4: Simplify right side
    3,091.14x = 8,651,255.20
  5. Step 5: Solve for x
    x = 8,651,255.20/3,091.14
  6. Step 6: Final answer
    x = 2,798.73

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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.