Home / 1,960.29-2,705.18-1,076.06

Finding the Fourth Proportional to 1,960.29, 2,705.18 and 1,076.06

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Solution

The fourth proportional to 1,960.29, 2,705.18 and 1,076.06 is: 1,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.29 : 2,705.18 = 1,076.06 : x
  2. Step 2: Convert to fraction form
    1,960.29/2,705.18 = 1,076.06/x
  3. Step 3: Cross multiply
    1,960.29x = 2,705.18 × 1,076.06
  4. Step 4: Simplify right side
    1,960.29x = 2,910,935.99
  5. Step 5: Solve for x
    x = 2,910,935.99/1,960.29
  6. Step 6: Final answer
    x = 1,484.95

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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.