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Finding the Fourth Proportional to 2,750.22, 3,795.31 and 1,571.29

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Solution

The fourth proportional to 2,750.22, 3,795.31 and 1,571.29 is: 2,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.22 : 3,795.31 = 1,571.29 : x
  2. Step 2: Convert to fraction form
    2,750.22/3,795.31 = 1,571.29/x
  3. Step 3: Cross multiply
    2,750.22x = 3,795.31 × 1,571.29
  4. Step 4: Simplify right side
    2,750.22x = 5,963,532.65
  5. Step 5: Solve for x
    x = 5,963,532.65/2,750.22
  6. Step 6: Final answer
    x = 2,168.38

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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.