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Finding the Fourth Proportional to 3,662.66, 5,054.73 and 2,090.99

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Solution

The fourth proportional to 3,662.66, 5,054.73 and 2,090.99 is: 2,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.66 : 5,054.73 = 2,090.99 : x
  2. Step 2: Convert to fraction form
    3,662.66/5,054.73 = 2,090.99/x
  3. Step 3: Cross multiply
    3,662.66x = 5,054.73 × 2,090.99
  4. Step 4: Simplify right side
    3,662.66x = 10,569,389.88
  5. Step 5: Solve for x
    x = 10,569,389.88/3,662.66
  6. Step 6: Final answer
    x = 2,885.71

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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.