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Finding the Fourth Proportional to 5,886.57, 8,828.48 and 2,190.54

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Solution

The fourth proportional to 5,886.57, 8,828.48 and 2,190.54 is: 3,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.57 : 8,828.48 = 2,190.54 : x
  2. Step 2: Convert to fraction form
    5,886.57/8,828.48 = 2,190.54/x
  3. Step 3: Cross multiply
    5,886.57x = 8,828.48 × 2,190.54
  4. Step 4: Simplify right side
    5,886.57x = 19,339,177.16
  5. Step 5: Solve for x
    x = 19,339,177.16/5,886.57
  6. Step 6: Final answer
    x = 3,285.30

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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.