Home / 1,977.14-2,728.50-1,092.96

Finding the Fourth Proportional to 1,977.14, 2,728.50 and 1,092.96

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Solution

The fourth proportional to 1,977.14, 2,728.50 and 1,092.96 is: 1,508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.14 : 2,728.50 = 1,092.96 : x
  2. Step 2: Convert to fraction form
    1,977.14/2,728.50 = 1,092.96/x
  3. Step 3: Cross multiply
    1,977.14x = 2,728.50 × 1,092.96
  4. Step 4: Simplify right side
    1,977.14x = 2,982,127.72
  5. Step 5: Solve for x
    x = 2,982,127.72/1,977.14
  6. Step 6: Final answer
    x = 1,508.31

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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.