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Finding the Fourth Proportional to 5,735.56, 8,603.88 and 1,838.92

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Solution

The fourth proportional to 5,735.56, 8,603.88 and 1,838.92 is: 2,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.56 : 8,603.88 = 1,838.92 : x
  2. Step 2: Convert to fraction form
    5,735.56/8,603.88 = 1,838.92/x
  3. Step 3: Cross multiply
    5,735.56x = 8,603.88 × 1,838.92
  4. Step 4: Simplify right side
    5,735.56x = 15,821,847.01
  5. Step 5: Solve for x
    x = 15,821,847.01/5,735.56
  6. Step 6: Final answer
    x = 2,758.55

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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.