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Finding the Fourth Proportional to 3,435.82, 4,741.46 and 1,863.94

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Solution

The fourth proportional to 3,435.82, 4,741.46 and 1,863.94 is: 2,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.82 : 4,741.46 = 1,863.94 : x
  2. Step 2: Convert to fraction form
    3,435.82/4,741.46 = 1,863.94/x
  3. Step 3: Cross multiply
    3,435.82x = 4,741.46 × 1,863.94
  4. Step 4: Simplify right side
    3,435.82x = 8,837,787.63
  5. Step 5: Solve for x
    x = 8,837,787.63/3,435.82
  6. Step 6: Final answer
    x = 2,572.25

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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.