Home / 2,540.59-3,812.19-1,924.09

Finding the Fourth Proportional to 2,540.59, 3,812.19 and 1,924.09

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Solution

The fourth proportional to 2,540.59, 3,812.19 and 1,924.09 is: 2,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.59 : 3,812.19 = 1,924.09 : x
  2. Step 2: Convert to fraction form
    2,540.59/3,812.19 = 1,924.09/x
  3. Step 3: Cross multiply
    2,540.59x = 3,812.19 × 1,924.09
  4. Step 4: Simplify right side
    2,540.59x = 7,334,996.66
  5. Step 5: Solve for x
    x = 7,334,996.66/2,540.59
  6. Step 6: Final answer
    x = 2,887.12

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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.