Home / 2,744.64-4,118.20-1,359.36

Finding the Fourth Proportional to 2,744.64, 4,118.20 and 1,359.36

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Solution

The fourth proportional to 2,744.64, 4,118.20 and 1,359.36 is: 2,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.64 : 4,118.20 = 1,359.36 : x
  2. Step 2: Convert to fraction form
    2,744.64/4,118.20 = 1,359.36/x
  3. Step 3: Cross multiply
    2,744.64x = 4,118.20 × 1,359.36
  4. Step 4: Simplify right side
    2,744.64x = 5,598,116.35
  5. Step 5: Solve for x
    x = 5,598,116.35/2,744.64
  6. Step 6: Final answer
    x = 2,039.65

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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.