Home / 1,760.10-2,428.13-1,236.43

Finding the Fourth Proportional to 1,760.10, 2,428.13 and 1,236.43

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Solution

The fourth proportional to 1,760.10, 2,428.13 and 1,236.43 is: 1,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.10 : 2,428.13 = 1,236.43 : x
  2. Step 2: Convert to fraction form
    1,760.10/2,428.13 = 1,236.43/x
  3. Step 3: Cross multiply
    1,760.10x = 2,428.13 × 1,236.43
  4. Step 4: Simplify right side
    1,760.10x = 3,002,211.95
  5. Step 5: Solve for x
    x = 3,002,211.95/1,760.10
  6. Step 6: Final answer
    x = 1,705.71

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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.