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Finding the Fourth Proportional to 2,754.56, 3,801.30 and 1,575.66

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Solution

The fourth proportional to 2,754.56, 3,801.30 and 1,575.66 is: 2,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.56 : 3,801.30 = 1,575.66 : x
  2. Step 2: Convert to fraction form
    2,754.56/3,801.30 = 1,575.66/x
  3. Step 3: Cross multiply
    2,754.56x = 3,801.30 × 1,575.66
  4. Step 4: Simplify right side
    2,754.56x = 5,989,556.36
  5. Step 5: Solve for x
    x = 5,989,556.36/2,754.56
  6. Step 6: Final answer
    x = 2,174.41

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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.