Home / 5,676.35-7,832.90-3,158.46

Finding the Fourth Proportional to 5,676.35, 7,832.90 and 3,158.46

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Solution

The fourth proportional to 5,676.35, 7,832.90 and 3,158.46 is: 4,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.35 : 7,832.90 = 3,158.46 : x
  2. Step 2: Convert to fraction form
    5,676.35/7,832.90 = 3,158.46/x
  3. Step 3: Cross multiply
    5,676.35x = 7,832.90 × 3,158.46
  4. Step 4: Simplify right side
    5,676.35x = 24,739,885.54
  5. Step 5: Solve for x
    x = 24,739,885.54/5,676.35
  6. Step 6: Final answer
    x = 4,358.42

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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.