Home / 2,127.45-2,935.82-1,243.74

Finding the Fourth Proportional to 2,127.45, 2,935.82 and 1,243.74

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Solution

The fourth proportional to 2,127.45, 2,935.82 and 1,243.74 is: 1,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.45 : 2,935.82 = 1,243.74 : x
  2. Step 2: Convert to fraction form
    2,127.45/2,935.82 = 1,243.74/x
  3. Step 3: Cross multiply
    2,127.45x = 2,935.82 × 1,243.74
  4. Step 4: Simplify right side
    2,127.45x = 3,651,390.55
  5. Step 5: Solve for x
    x = 3,651,390.55/2,127.45
  6. Step 6: Final answer
    x = 1,716.32

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