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Finding the Fourth Proportional to 2,723.07, 4,084.52 and 874.17

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Solution

The fourth proportional to 2,723.07, 4,084.52 and 874.17 is: 1,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.07 : 4,084.52 = 874.17 : x
  2. Step 2: Convert to fraction form
    2,723.07/4,084.52 = 874.17/x
  3. Step 3: Cross multiply
    2,723.07x = 4,084.52 × 874.17
  4. Step 4: Simplify right side
    2,723.07x = 3,570,560.48
  5. Step 5: Solve for x
    x = 3,570,560.48/2,723.07
  6. Step 6: Final answer
    x = 1,311.23

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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.