Home / 1,896.21-2,844.70-800.58

Finding the Fourth Proportional to 1,896.21, 2,844.70 and 800.58

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Solution

The fourth proportional to 1,896.21, 2,844.70 and 800.58 is: 1,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.21 : 2,844.70 = 800.58 : x
  2. Step 2: Convert to fraction form
    1,896.21/2,844.70 = 800.58/x
  3. Step 3: Cross multiply
    1,896.21x = 2,844.70 × 800.58
  4. Step 4: Simplify right side
    1,896.21x = 2,277,409.93
  5. Step 5: Solve for x
    x = 2,277,409.93/1,896.21
  6. Step 6: Final answer
    x = 1,201.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.