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Finding the Fourth Proportional to 5,698.66, 7,867.72 and 4,369.82

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Solution

The fourth proportional to 5,698.66, 7,867.72 and 4,369.82 is: 6,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.66 : 7,867.72 = 4,369.82 : x
  2. Step 2: Convert to fraction form
    5,698.66/7,867.72 = 4,369.82/x
  3. Step 3: Cross multiply
    5,698.66x = 7,867.72 × 4,369.82
  4. Step 4: Simplify right side
    5,698.66x = 34,380,520.21
  5. Step 5: Solve for x
    x = 34,380,520.21/5,698.66
  6. Step 6: Final answer
    x = 6,033.09

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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.