Home / 4,911.77-7,367.12-1,449.29

Finding the Fourth Proportional to 4,911.77, 7,367.12 and 1,449.29

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Solution

The fourth proportional to 4,911.77, 7,367.12 and 1,449.29 is: 2,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.77 : 7,367.12 = 1,449.29 : x
  2. Step 2: Convert to fraction form
    4,911.77/7,367.12 = 1,449.29/x
  3. Step 3: Cross multiply
    4,911.77x = 7,367.12 × 1,449.29
  4. Step 4: Simplify right side
    4,911.77x = 10,677,086.10
  5. Step 5: Solve for x
    x = 10,677,086.10/4,911.77
  6. Step 6: Final answer
    x = 2,173.78

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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.