Home / 4,231.12-6,340.17-1,763.86

Finding the Fourth Proportional to 4,231.12, 6,340.17 and 1,763.86

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Solution

The fourth proportional to 4,231.12, 6,340.17 and 1,763.86 is: 2,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.12 : 6,340.17 = 1,763.86 : x
  2. Step 2: Convert to fraction form
    4,231.12/6,340.17 = 1,763.86/x
  3. Step 3: Cross multiply
    4,231.12x = 6,340.17 × 1,763.86
  4. Step 4: Simplify right side
    4,231.12x = 11,183,172.26
  5. Step 5: Solve for x
    x = 11,183,172.26/4,231.12
  6. Step 6: Final answer
    x = 2,643.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.