Home / 5,317.56-7,974.49-2,031.58

Finding the Fourth Proportional to 5,317.56, 7,974.49 and 2,031.58

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Solution

The fourth proportional to 5,317.56, 7,974.49 and 2,031.58 is: 3,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.56 : 7,974.49 = 2,031.58 : x
  2. Step 2: Convert to fraction form
    5,317.56/7,974.49 = 2,031.58/x
  3. Step 3: Cross multiply
    5,317.56x = 7,974.49 × 2,031.58
  4. Step 4: Simplify right side
    5,317.56x = 16,200,814.39
  5. Step 5: Solve for x
    x = 16,200,814.39/5,317.56
  6. Step 6: Final answer
    x = 3,046.66

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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.