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Finding the Fourth Proportional to 2,090.88, 2,883.60 and 2,006.64

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Solution

The fourth proportional to 2,090.88, 2,883.60 and 2,006.64 is: 2,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.88 : 2,883.60 = 2,006.64 : x
  2. Step 2: Convert to fraction form
    2,090.88/2,883.60 = 2,006.64/x
  3. Step 3: Cross multiply
    2,090.88x = 2,883.60 × 2,006.64
  4. Step 4: Simplify right side
    2,090.88x = 5,786,347.10
  5. Step 5: Solve for x
    x = 5,786,347.10/2,090.88
  6. Step 6: Final answer
    x = 2,767.42

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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.