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Finding the Fourth Proportional to 3,157.24, 4,738.18 and 2,548.24

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Solution

The fourth proportional to 3,157.24, 4,738.18 and 2,548.24 is: 3,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.24 : 4,738.18 = 2,548.24 : x
  2. Step 2: Convert to fraction form
    3,157.24/4,738.18 = 2,548.24/x
  3. Step 3: Cross multiply
    3,157.24x = 4,738.18 × 2,548.24
  4. Step 4: Simplify right side
    3,157.24x = 12,074,019.80
  5. Step 5: Solve for x
    x = 12,074,019.80/3,157.24
  6. Step 6: Final answer
    x = 3,824.23

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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.