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Finding the Fourth Proportional to 5,373.98, 8,060.09 and 1,425.48

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Solution

The fourth proportional to 5,373.98, 8,060.09 and 1,425.48 is: 2,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.98 : 8,060.09 = 1,425.48 : x
  2. Step 2: Convert to fraction form
    5,373.98/8,060.09 = 1,425.48/x
  3. Step 3: Cross multiply
    5,373.98x = 8,060.09 × 1,425.48
  4. Step 4: Simplify right side
    5,373.98x = 11,489,513.10
  5. Step 5: Solve for x
    x = 11,489,513.10/5,373.98
  6. Step 6: Final answer
    x = 2,137.99

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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.