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Finding the Fourth Proportional to 3,662.58, 5,054.34 and 2,090.64

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Solution

The fourth proportional to 3,662.58, 5,054.34 and 2,090.64 is: 2,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.58 : 5,054.34 = 2,090.64 : x
  2. Step 2: Convert to fraction form
    3,662.58/5,054.34 = 2,090.64/x
  3. Step 3: Cross multiply
    3,662.58x = 5,054.34 × 2,090.64
  4. Step 4: Simplify right side
    3,662.58x = 10,566,805.38
  5. Step 5: Solve for x
    x = 10,566,805.38/3,662.58
  6. Step 6: Final answer
    x = 2,885.07

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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.