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Finding the Fourth Proportional to 3,374.79, 5,063.58 and 1,813.83

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Solution

The fourth proportional to 3,374.79, 5,063.58 and 1,813.83 is: 2,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.79 : 5,063.58 = 1,813.83 : x
  2. Step 2: Convert to fraction form
    3,374.79/5,063.58 = 1,813.83/x
  3. Step 3: Cross multiply
    3,374.79x = 5,063.58 × 1,813.83
  4. Step 4: Simplify right side
    3,374.79x = 9,184,473.31
  5. Step 5: Solve for x
    x = 9,184,473.31/3,374.79
  6. Step 6: Final answer
    x = 2,721.49

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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.