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Finding the Fourth Proportional to 2,914.04, 4,019.20 and 1,850.88

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Solution

The fourth proportional to 2,914.04, 4,019.20 and 1,850.88 is: 2,552.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.04 : 4,019.20 = 1,850.88 : x
  2. Step 2: Convert to fraction form
    2,914.04/4,019.20 = 1,850.88/x
  3. Step 3: Cross multiply
    2,914.04x = 4,019.20 × 1,850.88
  4. Step 4: Simplify right side
    2,914.04x = 7,439,056.90
  5. Step 5: Solve for x
    x = 7,439,056.90/2,914.04
  6. Step 6: Final answer
    x = 2,552.83

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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.