Home / 2,481.36-3,720.15-1,934.70

Finding the Fourth Proportional to 2,481.36, 3,720.15 and 1,934.70

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Solution

The fourth proportional to 2,481.36, 3,720.15 and 1,934.70 is: 2,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.36 : 3,720.15 = 1,934.70 : x
  2. Step 2: Convert to fraction form
    2,481.36/3,720.15 = 1,934.70/x
  3. Step 3: Cross multiply
    2,481.36x = 3,720.15 × 1,934.70
  4. Step 4: Simplify right side
    2,481.36x = 7,197,374.21
  5. Step 5: Solve for x
    x = 7,197,374.21/2,481.36
  6. Step 6: Final answer
    x = 2,900.58

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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.