Home / 3,922.50-5,882.58-1,840.38

Finding the Fourth Proportional to 3,922.50, 5,882.58 and 1,840.38

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Solution

The fourth proportional to 3,922.50, 5,882.58 and 1,840.38 is: 2,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.50 : 5,882.58 = 1,840.38 : x
  2. Step 2: Convert to fraction form
    3,922.50/5,882.58 = 1,840.38/x
  3. Step 3: Cross multiply
    3,922.50x = 5,882.58 × 1,840.38
  4. Step 4: Simplify right side
    3,922.50x = 10,826,182.58
  5. Step 5: Solve for x
    x = 10,826,182.58/3,922.50
  6. Step 6: Final answer
    x = 2,760.02

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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.