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Finding the Fourth Proportional to 5,107.54, 7,058.07 and 4,351.21

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Solution

The fourth proportional to 5,107.54, 7,058.07 and 4,351.21 is: 6,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.54 : 7,058.07 = 4,351.21 : x
  2. Step 2: Convert to fraction form
    5,107.54/7,058.07 = 4,351.21/x
  3. Step 3: Cross multiply
    5,107.54x = 7,058.07 × 4,351.21
  4. Step 4: Simplify right side
    5,107.54x = 30,711,144.76
  5. Step 5: Solve for x
    x = 30,711,144.76/5,107.54
  6. Step 6: Final answer
    x = 6,012.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.