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Finding the Fourth Proportional to 5,891.63, 8,122.36 and 4,295.12

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Solution

The fourth proportional to 5,891.63, 8,122.36 and 4,295.12 is: 5,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.63 : 8,122.36 = 4,295.12 : x
  2. Step 2: Convert to fraction form
    5,891.63/8,122.36 = 4,295.12/x
  3. Step 3: Cross multiply
    5,891.63x = 8,122.36 × 4,295.12
  4. Step 4: Simplify right side
    5,891.63x = 34,886,489.41
  5. Step 5: Solve for x
    x = 34,886,489.41/5,891.63
  6. Step 6: Final answer
    x = 5,921.36

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Double scale
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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.