Home / 5,676.33-7,832.65-3,157.81

Finding the Fourth Proportional to 5,676.33, 7,832.65 and 3,157.81

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Solution

The fourth proportional to 5,676.33, 7,832.65 and 3,157.81 is: 4,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.33 : 7,832.65 = 3,157.81 : x
  2. Step 2: Convert to fraction form
    5,676.33/7,832.65 = 3,157.81/x
  3. Step 3: Cross multiply
    5,676.33x = 7,832.65 × 3,157.81
  4. Step 4: Simplify right side
    5,676.33x = 24,734,020.50
  5. Step 5: Solve for x
    x = 24,734,020.50/5,676.33
  6. Step 6: Final answer
    x = 4,357.40

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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.