Home / 3,651.35-5,039.24-2,079.54

Finding the Fourth Proportional to 3,651.35, 5,039.24 and 2,079.54

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Solution

The fourth proportional to 3,651.35, 5,039.24 and 2,079.54 is: 2,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.35 : 5,039.24 = 2,079.54 : x
  2. Step 2: Convert to fraction form
    3,651.35/5,039.24 = 2,079.54/x
  3. Step 3: Cross multiply
    3,651.35x = 5,039.24 × 2,079.54
  4. Step 4: Simplify right side
    3,651.35x = 10,479,290.75
  5. Step 5: Solve for x
    x = 10,479,290.75/3,651.35
  6. Step 6: Final answer
    x = 2,869.98

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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.