Home / 2,740.26-4,109.64-1,074.12

Finding the Fourth Proportional to 2,740.26, 4,109.64 and 1,074.12

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Solution

The fourth proportional to 2,740.26, 4,109.64 and 1,074.12 is: 1,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.26 : 4,109.64 = 1,074.12 : x
  2. Step 2: Convert to fraction form
    2,740.26/4,109.64 = 1,074.12/x
  3. Step 3: Cross multiply
    2,740.26x = 4,109.64 × 1,074.12
  4. Step 4: Simplify right side
    2,740.26x = 4,414,246.52
  5. Step 5: Solve for x
    x = 4,414,246.52/2,740.26
  6. Step 6: Final answer
    x = 1,610.89

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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.