Home / 2,400.30-3,608.55-2,043.90

Finding the Fourth Proportional to 2,400.30, 3,608.55 and 2,043.90

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Solution

The fourth proportional to 2,400.30, 3,608.55 and 2,043.90 is: 3,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.30 : 3,608.55 = 2,043.90 : x
  2. Step 2: Convert to fraction form
    2,400.30/3,608.55 = 2,043.90/x
  3. Step 3: Cross multiply
    2,400.30x = 3,608.55 × 2,043.90
  4. Step 4: Simplify right side
    2,400.30x = 7,375,515.35
  5. Step 5: Solve for x
    x = 7,375,515.35/2,400.30
  6. Step 6: Final answer
    x = 3,072.75

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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.