Home / 5,775.26-8,663.10-1,829.20

Finding the Fourth Proportional to 5,775.26, 8,663.10 and 1,829.20

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Solution

The fourth proportional to 5,775.26, 8,663.10 and 1,829.20 is: 2,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.26 : 8,663.10 = 1,829.20 : x
  2. Step 2: Convert to fraction form
    5,775.26/8,663.10 = 1,829.20/x
  3. Step 3: Cross multiply
    5,775.26x = 8,663.10 × 1,829.20
  4. Step 4: Simplify right side
    5,775.26x = 15,846,542.52
  5. Step 5: Solve for x
    x = 15,846,542.52/5,775.26
  6. Step 6: Final answer
    x = 2,743.87

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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.