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Finding the Fourth Proportional to 5,815.41, 8,709.51 and 4,251.48

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Solution

The fourth proportional to 5,815.41, 8,709.51 and 4,251.48 is: 6,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.41 : 8,709.51 = 4,251.48 : x
  2. Step 2: Convert to fraction form
    5,815.41/8,709.51 = 4,251.48/x
  3. Step 3: Cross multiply
    5,815.41x = 8,709.51 × 4,251.48
  4. Step 4: Simplify right side
    5,815.41x = 37,028,307.57
  5. Step 5: Solve for x
    x = 37,028,307.57/5,815.41
  6. Step 6: Final answer
    x = 6,367.27

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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.