Home / 1,623.43-2,241.36-1,249.71

Finding the Fourth Proportional to 1,623.43, 2,241.36 and 1,249.71

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Solution

The fourth proportional to 1,623.43, 2,241.36 and 1,249.71 is: 1,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.43 : 2,241.36 = 1,249.71 : x
  2. Step 2: Convert to fraction form
    1,623.43/2,241.36 = 1,249.71/x
  3. Step 3: Cross multiply
    1,623.43x = 2,241.36 × 1,249.71
  4. Step 4: Simplify right side
    1,623.43x = 2,801,050.01
  5. Step 5: Solve for x
    x = 2,801,050.01/1,623.43
  6. Step 6: Final answer
    x = 1,725.39

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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.