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Finding the Fourth Proportional to 2,795.64, 4,190.21 and 2,471.64

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Solution

The fourth proportional to 2,795.64, 4,190.21 and 2,471.64 is: 3,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.64 : 4,190.21 = 2,471.64 : x
  2. Step 2: Convert to fraction form
    2,795.64/4,190.21 = 2,471.64/x
  3. Step 3: Cross multiply
    2,795.64x = 4,190.21 × 2,471.64
  4. Step 4: Simplify right side
    2,795.64x = 10,356,690.64
  5. Step 5: Solve for x
    x = 10,356,690.64/2,795.64
  6. Step 6: Final answer
    x = 3,704.59

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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.