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Finding the Fourth Proportional to 3,571.56, 4,927.38 and 2,079.24

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Solution

The fourth proportional to 3,571.56, 4,927.38 and 2,079.24 is: 2,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.56 : 4,927.38 = 2,079.24 : x
  2. Step 2: Convert to fraction form
    3,571.56/4,927.38 = 2,079.24/x
  3. Step 3: Cross multiply
    3,571.56x = 4,927.38 × 2,079.24
  4. Step 4: Simplify right side
    3,571.56x = 10,245,205.59
  5. Step 5: Solve for x
    x = 10,245,205.59/3,571.56
  6. Step 6: Final answer
    x = 2,868.55

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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.