Home / 5,109.95-7,663.37-1,822.29

Finding the Fourth Proportional to 5,109.95, 7,663.37 and 1,822.29

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Solution

The fourth proportional to 5,109.95, 7,663.37 and 1,822.29 is: 2,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.95 : 7,663.37 = 1,822.29 : x
  2. Step 2: Convert to fraction form
    5,109.95/7,663.37 = 1,822.29/x
  3. Step 3: Cross multiply
    5,109.95x = 7,663.37 × 1,822.29
  4. Step 4: Simplify right side
    5,109.95x = 13,964,873.41
  5. Step 5: Solve for x
    x = 13,964,873.41/5,109.95
  6. Step 6: Final answer
    x = 2,732.88

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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.