Home / 5,112.12-7,669.40-1,824.96

Finding the Fourth Proportional to 5,112.12, 7,669.40 and 1,824.96

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Solution

The fourth proportional to 5,112.12, 7,669.40 and 1,824.96 is: 2,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.12 : 7,669.40 = 1,824.96 : x
  2. Step 2: Convert to fraction form
    5,112.12/7,669.40 = 1,824.96/x
  3. Step 3: Cross multiply
    5,112.12x = 7,669.40 × 1,824.96
  4. Step 4: Simplify right side
    5,112.12x = 13,996,348.22
  5. Step 5: Solve for x
    x = 13,996,348.22/5,112.12
  6. Step 6: Final answer
    x = 2,737.88

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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.