Home / 3,195.71-4,408.86-2,358.42

Finding the Fourth Proportional to 3,195.71, 4,408.86 and 2,358.42

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Solution

The fourth proportional to 3,195.71, 4,408.86 and 2,358.42 is: 3,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.71 : 4,408.86 = 2,358.42 : x
  2. Step 2: Convert to fraction form
    3,195.71/4,408.86 = 2,358.42/x
  3. Step 3: Cross multiply
    3,195.71x = 4,408.86 × 2,358.42
  4. Step 4: Simplify right side
    3,195.71x = 10,397,935.91
  5. Step 5: Solve for x
    x = 10,397,935.91/3,195.71
  6. Step 6: Final answer
    x = 3,253.72

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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.