Home / 4,687.20-7,028.37-2,344.68

Finding the Fourth Proportional to 4,687.20, 7,028.37 and 2,344.68

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Solution

The fourth proportional to 4,687.20, 7,028.37 and 2,344.68 is: 3,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.20 : 7,028.37 = 2,344.68 : x
  2. Step 2: Convert to fraction form
    4,687.20/7,028.37 = 2,344.68/x
  3. Step 3: Cross multiply
    4,687.20x = 7,028.37 × 2,344.68
  4. Step 4: Simplify right side
    4,687.20x = 16,479,278.57
  5. Step 5: Solve for x
    x = 16,479,278.57/4,687.20
  6. Step 6: Final answer
    x = 3,515.80

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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.