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Finding the Fourth Proportional to 4,008, 5,531.04 and 2,435.79

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Solution

The fourth proportional to 4,008, 5,531.04 and 2,435.79 is: 3,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008 : 5,531.04 = 2,435.79 : x
  2. Step 2: Convert to fraction form
    4,008/5,531.04 = 2,435.79/x
  3. Step 3: Cross multiply
    4,008x = 5,531.04 × 2,435.79
  4. Step 4: Simplify right side
    4,008x = 13,472,451.92
  5. Step 5: Solve for x
    x = 13,472,451.92/4,008
  6. Step 6: Final answer
    x = 3,361.39

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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.