Home / 3,031.70-4,183.79-1,772.47

Finding the Fourth Proportional to 3,031.70, 4,183.79 and 1,772.47

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Solution

The fourth proportional to 3,031.70, 4,183.79 and 1,772.47 is: 2,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.70 : 4,183.79 = 1,772.47 : x
  2. Step 2: Convert to fraction form
    3,031.70/4,183.79 = 1,772.47/x
  3. Step 3: Cross multiply
    3,031.70x = 4,183.79 × 1,772.47
  4. Step 4: Simplify right side
    3,031.70x = 7,415,642.26
  5. Step 5: Solve for x
    x = 7,415,642.26/3,031.70
  6. Step 6: Final answer
    x = 2,446.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.