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Finding the Fourth Proportional to 2,832.09, 3,908.23 and 1,590.09

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Solution

The fourth proportional to 2,832.09, 3,908.23 and 1,590.09 is: 2,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.09 : 3,908.23 = 1,590.09 : x
  2. Step 2: Convert to fraction form
    2,832.09/3,908.23 = 1,590.09/x
  3. Step 3: Cross multiply
    2,832.09x = 3,908.23 × 1,590.09
  4. Step 4: Simplify right side
    2,832.09x = 6,214,437.44
  5. Step 5: Solve for x
    x = 6,214,437.44/2,832.09
  6. Step 6: Final answer
    x = 2,194.29

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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.