Home / 2,812.17-3,877.16-1,926.39

Finding the Fourth Proportional to 2,812.17, 3,877.16 and 1,926.39

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Solution

The fourth proportional to 2,812.17, 3,877.16 and 1,926.39 is: 2,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.17 : 3,877.16 = 1,926.39 : x
  2. Step 2: Convert to fraction form
    2,812.17/3,877.16 = 1,926.39/x
  3. Step 3: Cross multiply
    2,812.17x = 3,877.16 × 1,926.39
  4. Step 4: Simplify right side
    2,812.17x = 7,468,912.62
  5. Step 5: Solve for x
    x = 7,468,912.62/2,812.17
  6. Step 6: Final answer
    x = 2,655.93

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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.