Home / 2,416.20-3,624.71-772.62

Finding the Fourth Proportional to 2,416.20, 3,624.71 and 772.62

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Solution

The fourth proportional to 2,416.20, 3,624.71 and 772.62 is: 1,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.20 : 3,624.71 = 772.62 : x
  2. Step 2: Convert to fraction form
    2,416.20/3,624.71 = 772.62/x
  3. Step 3: Cross multiply
    2,416.20x = 3,624.71 × 772.62
  4. Step 4: Simplify right side
    2,416.20x = 2,800,519.58
  5. Step 5: Solve for x
    x = 2,800,519.58/2,416.20
  6. Step 6: Final answer
    x = 1,159.06

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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.