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Finding the Fourth Proportional to 3,662.59, 5,054.39 and 2,090.65

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Solution

The fourth proportional to 3,662.59, 5,054.39 and 2,090.65 is: 2,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.59 : 5,054.39 = 2,090.65 : x
  2. Step 2: Convert to fraction form
    3,662.59/5,054.39 = 2,090.65/x
  3. Step 3: Cross multiply
    3,662.59x = 5,054.39 × 2,090.65
  4. Step 4: Simplify right side
    3,662.59x = 10,566,960.45
  5. Step 5: Solve for x
    x = 10,566,960.45/3,662.59
  6. Step 6: Final answer
    x = 2,885.11

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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.