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Finding the Fourth Proportional to 3,883.33, 5,787.53 and 3,877.16

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Solution

The fourth proportional to 3,883.33, 5,787.53 and 3,877.16 is: 5,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.33 : 5,787.53 = 3,877.16 : x
  2. Step 2: Convert to fraction form
    3,883.33/5,787.53 = 3,877.16/x
  3. Step 3: Cross multiply
    3,883.33x = 5,787.53 × 3,877.16
  4. Step 4: Simplify right side
    3,883.33x = 22,439,131.49
  5. Step 5: Solve for x
    x = 22,439,131.49/3,883.33
  6. Step 6: Final answer
    x = 5,778.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.