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Finding the Fourth Proportional to 5,855.70, 8,080.74 and 3,203.08

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Solution

The fourth proportional to 5,855.70, 8,080.74 and 3,203.08 is: 4,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.70 : 8,080.74 = 3,203.08 : x
  2. Step 2: Convert to fraction form
    5,855.70/8,080.74 = 3,203.08/x
  3. Step 3: Cross multiply
    5,855.70x = 8,080.74 × 3,203.08
  4. Step 4: Simplify right side
    5,855.70x = 25,883,256.68
  5. Step 5: Solve for x
    x = 25,883,256.68/5,855.70
  6. Step 6: Final answer
    x = 4,420.18

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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.