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Finding the Fourth Proportional to 5,893.56, 8,136.65 and 3,880.20

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Solution

The fourth proportional to 5,893.56, 8,136.65 and 3,880.20 is: 5,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893.56 : 8,136.65 = 3,880.20 : x
  2. Step 2: Convert to fraction form
    5,893.56/8,136.65 = 3,880.20/x
  3. Step 3: Cross multiply
    5,893.56x = 8,136.65 × 3,880.20
  4. Step 4: Simplify right side
    5,893.56x = 31,571,869.54
  5. Step 5: Solve for x
    x = 31,571,869.54/5,893.56
  6. Step 6: Final answer
    x = 5,357.01

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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.