Home / 1,896.09-2,616.75-1,233.51

Finding the Fourth Proportional to 1,896.09, 2,616.75 and 1,233.51

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Solution

The fourth proportional to 1,896.09, 2,616.75 and 1,233.51 is: 1,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.09 : 2,616.75 = 1,233.51 : x
  2. Step 2: Convert to fraction form
    1,896.09/2,616.75 = 1,233.51/x
  3. Step 3: Cross multiply
    1,896.09x = 2,616.75 × 1,233.51
  4. Step 4: Simplify right side
    1,896.09x = 3,227,787.29
  5. Step 5: Solve for x
    x = 3,227,787.29/1,896.09
  6. Step 6: Final answer
    x = 1,702.34

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Half scale
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Double scale
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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.