Home / 1,517.23-2,092.10-957.03

Finding the Fourth Proportional to 1,517.23, 2,092.10 and 957.03

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Solution

The fourth proportional to 1,517.23, 2,092.10 and 957.03 is: 1,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.23 : 2,092.10 = 957.03 : x
  2. Step 2: Convert to fraction form
    1,517.23/2,092.10 = 957.03/x
  3. Step 3: Cross multiply
    1,517.23x = 2,092.10 × 957.03
  4. Step 4: Simplify right side
    1,517.23x = 2,002,202.46
  5. Step 5: Solve for x
    x = 2,002,202.46/1,517.23
  6. Step 6: Final answer
    x = 1,319.64

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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.