Home / 3,231.08-4,455.62-2,565.80

Finding the Fourth Proportional to 3,231.08, 4,455.62 and 2,565.80

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Solution

The fourth proportional to 3,231.08, 4,455.62 and 2,565.80 is: 3,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.08 : 4,455.62 = 2,565.80 : x
  2. Step 2: Convert to fraction form
    3,231.08/4,455.62 = 2,565.80/x
  3. Step 3: Cross multiply
    3,231.08x = 4,455.62 × 2,565.80
  4. Step 4: Simplify right side
    3,231.08x = 11,432,229.80
  5. Step 5: Solve for x
    x = 11,432,229.80/3,231.08
  6. Step 6: Final answer
    x = 3,538.21

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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.