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Finding the Fourth Proportional to 1,957.97, 2,703.17 and 1,739.27

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Solution

The fourth proportional to 1,957.97, 2,703.17 and 1,739.27 is: 2,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.97 : 2,703.17 = 1,739.27 : x
  2. Step 2: Convert to fraction form
    1,957.97/2,703.17 = 1,739.27/x
  3. Step 3: Cross multiply
    1,957.97x = 2,703.17 × 1,739.27
  4. Step 4: Simplify right side
    1,957.97x = 4,701,542.49
  5. Step 5: Solve for x
    x = 4,701,542.49/1,957.97
  6. Step 6: Final answer
    x = 2,401.23

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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.