Home / 2,740.44-3,772.31-2,390.52

Finding the Fourth Proportional to 2,740.44, 3,772.31 and 2,390.52

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Solution

The fourth proportional to 2,740.44, 3,772.31 and 2,390.52 is: 3,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.44 : 3,772.31 = 2,390.52 : x
  2. Step 2: Convert to fraction form
    2,740.44/3,772.31 = 2,390.52/x
  3. Step 3: Cross multiply
    2,740.44x = 3,772.31 × 2,390.52
  4. Step 4: Simplify right side
    2,740.44x = 9,017,770.55
  5. Step 5: Solve for x
    x = 9,017,770.55/2,740.44
  6. Step 6: Final answer
    x = 3,290.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.