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Finding the Fourth Proportional to 3,454.84, 5,181.42 and 1,723.06

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Solution

The fourth proportional to 3,454.84, 5,181.42 and 1,723.06 is: 2,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.84 : 5,181.42 = 1,723.06 : x
  2. Step 2: Convert to fraction form
    3,454.84/5,181.42 = 1,723.06/x
  3. Step 3: Cross multiply
    3,454.84x = 5,181.42 × 1,723.06
  4. Step 4: Simplify right side
    3,454.84x = 8,927,897.55
  5. Step 5: Solve for x
    x = 8,927,897.55/3,454.84
  6. Step 6: Final answer
    x = 2,584.17

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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.