Home / 5,676.12-7,832.90-3,158.19

Finding the Fourth Proportional to 5,676.12, 7,832.90 and 3,158.19

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Solution

The fourth proportional to 5,676.12, 7,832.90 and 3,158.19 is: 4,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.12 : 7,832.90 = 3,158.19 : x
  2. Step 2: Convert to fraction form
    5,676.12/7,832.90 = 3,158.19/x
  3. Step 3: Cross multiply
    5,676.12x = 7,832.90 × 3,158.19
  4. Step 4: Simplify right side
    5,676.12x = 24,737,770.66
  5. Step 5: Solve for x
    x = 24,737,770.66/5,676.12
  6. Step 6: Final answer
    x = 4,358.22

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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.