Home / 5,675.91-7,832.77-3,191.91

Finding the Fourth Proportional to 5,675.91, 7,832.77 and 3,191.91

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Solution

The fourth proportional to 5,675.91, 7,832.77 and 3,191.91 is: 4,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.91 : 7,832.77 = 3,191.91 : x
  2. Step 2: Convert to fraction form
    5,675.91/7,832.77 = 3,191.91/x
  3. Step 3: Cross multiply
    5,675.91x = 7,832.77 × 3,191.91
  4. Step 4: Simplify right side
    5,675.91x = 25,001,459.54
  5. Step 5: Solve for x
    x = 25,001,459.54/5,675.91
  6. Step 6: Final answer
    x = 4,404.84

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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.