Home / 2,080.47-3,114.63-1,858.14

Finding the Fourth Proportional to 2,080.47, 3,114.63 and 1,858.14

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Solution

The fourth proportional to 2,080.47, 3,114.63 and 1,858.14 is: 2,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.47 : 3,114.63 = 1,858.14 : x
  2. Step 2: Convert to fraction form
    2,080.47/3,114.63 = 1,858.14/x
  3. Step 3: Cross multiply
    2,080.47x = 3,114.63 × 1,858.14
  4. Step 4: Simplify right side
    2,080.47x = 5,787,418.59
  5. Step 5: Solve for x
    x = 5,787,418.59/2,080.47
  6. Step 6: Final answer
    x = 2,781.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.