Home / 5,193.20-7,789.92-1,730.45

Finding the Fourth Proportional to 5,193.20, 7,789.92 and 1,730.45

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Solution

The fourth proportional to 5,193.20, 7,789.92 and 1,730.45 is: 2,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.20 : 7,789.92 = 1,730.45 : x
  2. Step 2: Convert to fraction form
    5,193.20/7,789.92 = 1,730.45/x
  3. Step 3: Cross multiply
    5,193.20x = 7,789.92 × 1,730.45
  4. Step 4: Simplify right side
    5,193.20x = 13,480,028.11
  5. Step 5: Solve for x
    x = 13,480,028.11/5,193.20
  6. Step 6: Final answer
    x = 2,595.71

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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.