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Finding the Fourth Proportional to 4,191.59, 6,284.99 and 1,728.11

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Solution

The fourth proportional to 4,191.59, 6,284.99 and 1,728.11 is: 2,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.59 : 6,284.99 = 1,728.11 : x
  2. Step 2: Convert to fraction form
    4,191.59/6,284.99 = 1,728.11/x
  3. Step 3: Cross multiply
    4,191.59x = 6,284.99 × 1,728.11
  4. Step 4: Simplify right side
    4,191.59x = 10,861,154.07
  5. Step 5: Solve for x
    x = 10,861,154.07/4,191.59
  6. Step 6: Final answer
    x = 2,591.18

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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.