Home / 2,056.57-2,837.94-1,172.36

Finding the Fourth Proportional to 2,056.57, 2,837.94 and 1,172.36

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Solution

The fourth proportional to 2,056.57, 2,837.94 and 1,172.36 is: 1,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.57 : 2,837.94 = 1,172.36 : x
  2. Step 2: Convert to fraction form
    2,056.57/2,837.94 = 1,172.36/x
  3. Step 3: Cross multiply
    2,056.57x = 2,837.94 × 1,172.36
  4. Step 4: Simplify right side
    2,056.57x = 3,327,087.34
  5. Step 5: Solve for x
    x = 3,327,087.34/2,056.57
  6. Step 6: Final answer
    x = 1,617.79

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Why These Related Problems?

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