Home / 4,092.22-6,140.76-1,628.20

Finding the Fourth Proportional to 4,092.22, 6,140.76 and 1,628.20

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Solution

The fourth proportional to 4,092.22, 6,140.76 and 1,628.20 is: 2,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.22 : 6,140.76 = 1,628.20 : x
  2. Step 2: Convert to fraction form
    4,092.22/6,140.76 = 1,628.20/x
  3. Step 3: Cross multiply
    4,092.22x = 6,140.76 × 1,628.20
  4. Step 4: Simplify right side
    4,092.22x = 9,998,385.43
  5. Step 5: Solve for x
    x = 9,998,385.43/4,092.22
  6. Step 6: Final answer
    x = 2,443.27

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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.