Home / 2,956.22-4,079.66-1,629.94

Finding the Fourth Proportional to 2,956.22, 4,079.66 and 1,629.94

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Solution

The fourth proportional to 2,956.22, 4,079.66 and 1,629.94 is: 2,249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.22 : 4,079.66 = 1,629.94 : x
  2. Step 2: Convert to fraction form
    2,956.22/4,079.66 = 1,629.94/x
  3. Step 3: Cross multiply
    2,956.22x = 4,079.66 × 1,629.94
  4. Step 4: Simplify right side
    2,956.22x = 6,649,601.02
  5. Step 5: Solve for x
    x = 6,649,601.02/2,956.22
  6. Step 6: Final answer
    x = 2,249.36

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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.