Home / 1,896.70-2,615.91-1,633.66

Finding the Fourth Proportional to 1,896.70, 2,615.91 and 1,633.66

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Solution

The fourth proportional to 1,896.70, 2,615.91 and 1,633.66 is: 2,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.70 : 2,615.91 = 1,633.66 : x
  2. Step 2: Convert to fraction form
    1,896.70/2,615.91 = 1,633.66/x
  3. Step 3: Cross multiply
    1,896.70x = 2,615.91 × 1,633.66
  4. Step 4: Simplify right side
    1,896.70x = 4,273,507.53
  5. Step 5: Solve for x
    x = 4,273,507.53/1,896.70
  6. Step 6: Final answer
    x = 2,253.13

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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.