Home / 4,744.28-7,116.40-2,664.30

Finding the Fourth Proportional to 4,744.28, 7,116.40 and 2,664.30

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Solution

The fourth proportional to 4,744.28, 7,116.40 and 2,664.30 is: 3,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.28 : 7,116.40 = 2,664.30 : x
  2. Step 2: Convert to fraction form
    4,744.28/7,116.40 = 2,664.30/x
  3. Step 3: Cross multiply
    4,744.28x = 7,116.40 × 2,664.30
  4. Step 4: Simplify right side
    4,744.28x = 18,960,224.52
  5. Step 5: Solve for x
    x = 18,960,224.52/4,744.28
  6. Step 6: Final answer
    x = 3,996.44

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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.