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Finding the Fourth Proportional to 3,722.79, 5,137.43 and 2,044.22

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Solution

The fourth proportional to 3,722.79, 5,137.43 and 2,044.22 is: 2,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.79 : 5,137.43 = 2,044.22 : x
  2. Step 2: Convert to fraction form
    3,722.79/5,137.43 = 2,044.22/x
  3. Step 3: Cross multiply
    3,722.79x = 5,137.43 × 2,044.22
  4. Step 4: Simplify right side
    3,722.79x = 10,502,001.25
  5. Step 5: Solve for x
    x = 10,502,001.25/3,722.79
  6. Step 6: Final answer
    x = 2,821.00

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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.