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Finding the Fourth Proportional to 5,787.14, 8,681.09 and 2,276.87

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Solution

The fourth proportional to 5,787.14, 8,681.09 and 2,276.87 is: 3,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.14 : 8,681.09 = 2,276.87 : x
  2. Step 2: Convert to fraction form
    5,787.14/8,681.09 = 2,276.87/x
  3. Step 3: Cross multiply
    5,787.14x = 8,681.09 × 2,276.87
  4. Step 4: Simplify right side
    5,787.14x = 19,765,658.60
  5. Step 5: Solve for x
    x = 19,765,658.60/5,787.14
  6. Step 6: Final answer
    x = 3,415.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.