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Finding the Fourth Proportional to 2,393.41, 3,590.10 and 1,418.82

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Solution

The fourth proportional to 2,393.41, 3,590.10 and 1,418.82 is: 2,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.41 : 3,590.10 = 1,418.82 : x
  2. Step 2: Convert to fraction form
    2,393.41/3,590.10 = 1,418.82/x
  3. Step 3: Cross multiply
    2,393.41x = 3,590.10 × 1,418.82
  4. Step 4: Simplify right side
    2,393.41x = 5,093,705.68
  5. Step 5: Solve for x
    x = 5,093,705.68/2,393.41
  6. Step 6: Final answer
    x = 2,128.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.