Home / 2,519.09-3,777.95-2,105.27

Finding the Fourth Proportional to 2,519.09, 3,777.95 and 2,105.27

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Solution

The fourth proportional to 2,519.09, 3,777.95 and 2,105.27 is: 3,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.09 : 3,777.95 = 2,105.27 : x
  2. Step 2: Convert to fraction form
    2,519.09/3,777.95 = 2,105.27/x
  3. Step 3: Cross multiply
    2,519.09x = 3,777.95 × 2,105.27
  4. Step 4: Simplify right side
    2,519.09x = 7,953,604.80
  5. Step 5: Solve for x
    x = 7,953,604.80/2,519.09
  6. Step 6: Final answer
    x = 3,157.33

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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.