Home / 1,568.97-2,160.21-1,194.75

Finding the Fourth Proportional to 1,568.97, 2,160.21 and 1,194.75

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Solution

The fourth proportional to 1,568.97, 2,160.21 and 1,194.75 is: 1,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.97 : 2,160.21 = 1,194.75 : x
  2. Step 2: Convert to fraction form
    1,568.97/2,160.21 = 1,194.75/x
  3. Step 3: Cross multiply
    1,568.97x = 2,160.21 × 1,194.75
  4. Step 4: Simplify right side
    1,568.97x = 2,580,910.90
  5. Step 5: Solve for x
    x = 2,580,910.90/1,568.97
  6. Step 6: Final answer
    x = 1,644.97

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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.