Home / 3,173.75-4,766.30-2,765.51

Finding the Fourth Proportional to 3,173.75, 4,766.30 and 2,765.51

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Solution

The fourth proportional to 3,173.75, 4,766.30 and 2,765.51 is: 4,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.75 : 4,766.30 = 2,765.51 : x
  2. Step 2: Convert to fraction form
    3,173.75/4,766.30 = 2,765.51/x
  3. Step 3: Cross multiply
    3,173.75x = 4,766.30 × 2,765.51
  4. Step 4: Simplify right side
    3,173.75x = 13,181,212.65
  5. Step 5: Solve for x
    x = 13,181,212.65/3,173.75
  6. Step 6: Final answer
    x = 4,153.20

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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.