Home / 3,822.42-5,274.99-2,144.19

Finding the Fourth Proportional to 3,822.42, 5,274.99 and 2,144.19

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Solution

The fourth proportional to 3,822.42, 5,274.99 and 2,144.19 is: 2,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.42 : 5,274.99 = 2,144.19 : x
  2. Step 2: Convert to fraction form
    3,822.42/5,274.99 = 2,144.19/x
  3. Step 3: Cross multiply
    3,822.42x = 5,274.99 × 2,144.19
  4. Step 4: Simplify right side
    3,822.42x = 11,310,580.81
  5. Step 5: Solve for x
    x = 11,310,580.81/3,822.42
  6. Step 6: Final answer
    x = 2,959.01

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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.