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Finding the Fourth Proportional to 5,059.67, 7,590.31 and 2,138.00

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Solution

The fourth proportional to 5,059.67, 7,590.31 and 2,138.00 is: 3,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.67 : 7,590.31 = 2,138.00 : x
  2. Step 2: Convert to fraction form
    5,059.67/7,590.31 = 2,138.00/x
  3. Step 3: Cross multiply
    5,059.67x = 7,590.31 × 2,138.00
  4. Step 4: Simplify right side
    5,059.67x = 16,228,039.48
  5. Step 5: Solve for x
    x = 16,228,039.48/5,059.67
  6. Step 6: Final answer
    x = 3,207.33

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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.