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Finding the Fourth Proportional to 5,990.88, 8,263.01 and 3,865.33

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Solution

The fourth proportional to 5,990.88, 8,263.01 and 3,865.33 is: 5,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.88 : 8,263.01 = 3,865.33 : x
  2. Step 2: Convert to fraction form
    5,990.88/8,263.01 = 3,865.33/x
  3. Step 3: Cross multiply
    5,990.88x = 8,263.01 × 3,865.33
  4. Step 4: Simplify right side
    5,990.88x = 31,939,260.44
  5. Step 5: Solve for x
    x = 31,939,260.44/5,990.88
  6. Step 6: Final answer
    x = 5,331.31

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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.