Home / 1,896.11-2,616.81-1,150.27

Finding the Fourth Proportional to 1,896.11, 2,616.81 and 1,150.27

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Solution

The fourth proportional to 1,896.11, 2,616.81 and 1,150.27 is: 1,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.11 : 2,616.81 = 1,150.27 : x
  2. Step 2: Convert to fraction form
    1,896.11/2,616.81 = 1,150.27/x
  3. Step 3: Cross multiply
    1,896.11x = 2,616.81 × 1,150.27
  4. Step 4: Simplify right side
    1,896.11x = 3,010,027.18
  5. Step 5: Solve for x
    x = 3,010,027.18/1,896.11
  6. Step 6: Final answer
    x = 1,587.48

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1.5x scale

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.