Home / 5,221.17-7,826.76-1,933.38

Finding the Fourth Proportional to 5,221.17, 7,826.76 and 1,933.38

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Solution

The fourth proportional to 5,221.17, 7,826.76 and 1,933.38 is: 2,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.17 : 7,826.76 = 1,933.38 : x
  2. Step 2: Convert to fraction form
    5,221.17/7,826.76 = 1,933.38/x
  3. Step 3: Cross multiply
    5,221.17x = 7,826.76 × 1,933.38
  4. Step 4: Simplify right side
    5,221.17x = 15,132,101.25
  5. Step 5: Solve for x
    x = 15,132,101.25/5,221.17
  6. Step 6: Final answer
    x = 2,898.22

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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.