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Finding the Fourth Proportional to 3,754.58, 5,169.17 and 3,090.24

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Solution

The fourth proportional to 3,754.58, 5,169.17 and 3,090.24 is: 4,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.58 : 5,169.17 = 3,090.24 : x
  2. Step 2: Convert to fraction form
    3,754.58/5,169.17 = 3,090.24/x
  3. Step 3: Cross multiply
    3,754.58x = 5,169.17 × 3,090.24
  4. Step 4: Simplify right side
    3,754.58x = 15,973,983.63
  5. Step 5: Solve for x
    x = 15,973,983.63/3,754.58
  6. Step 6: Final answer
    x = 4,254.54

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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.