Home / 5,676.21-7,833.27-3,158.43

Finding the Fourth Proportional to 5,676.21, 7,833.27 and 3,158.43

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Solution

The fourth proportional to 5,676.21, 7,833.27 and 3,158.43 is: 4,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.21 : 7,833.27 = 3,158.43 : x
  2. Step 2: Convert to fraction form
    5,676.21/7,833.27 = 3,158.43/x
  3. Step 3: Cross multiply
    5,676.21x = 7,833.27 × 3,158.43
  4. Step 4: Simplify right side
    5,676.21x = 24,740,817.44
  5. Step 5: Solve for x
    x = 24,740,817.44/5,676.21
  6. Step 6: Final answer
    x = 4,358.69

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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.