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Finding the Fourth Proportional to 3,763.44, 5,639.76 and 1,571.04

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Solution

The fourth proportional to 3,763.44, 5,639.76 and 1,571.04 is: 2,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.44 : 5,639.76 = 1,571.04 : x
  2. Step 2: Convert to fraction form
    3,763.44/5,639.76 = 1,571.04/x
  3. Step 3: Cross multiply
    3,763.44x = 5,639.76 × 1,571.04
  4. Step 4: Simplify right side
    3,763.44x = 8,860,288.55
  5. Step 5: Solve for x
    x = 8,860,288.55/3,763.44
  6. Step 6: Final answer
    x = 2,354.31

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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.