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Finding the Fourth Proportional to 2,590.72, 3,573.87 and 1,694.99

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Solution

The fourth proportional to 2,590.72, 3,573.87 and 1,694.99 is: 2,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.72 : 3,573.87 = 1,694.99 : x
  2. Step 2: Convert to fraction form
    2,590.72/3,573.87 = 1,694.99/x
  3. Step 3: Cross multiply
    2,590.72x = 3,573.87 × 1,694.99
  4. Step 4: Simplify right side
    2,590.72x = 6,057,673.91
  5. Step 5: Solve for x
    x = 6,057,673.91/2,590.72
  6. Step 6: Final answer
    x = 2,338.22

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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.