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Finding the Fourth Proportional to 5,858.90, 8,789.63 and 2,737.20

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Solution

The fourth proportional to 5,858.90, 8,789.63 and 2,737.20 is: 4,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.90 : 8,789.63 = 2,737.20 : x
  2. Step 2: Convert to fraction form
    5,858.90/8,789.63 = 2,737.20/x
  3. Step 3: Cross multiply
    5,858.90x = 8,789.63 × 2,737.20
  4. Step 4: Simplify right side
    5,858.90x = 24,058,961.55
  5. Step 5: Solve for x
    x = 24,058,961.55/5,858.90
  6. Step 6: Final answer
    x = 4,106.40

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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.