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Finding the Fourth Proportional to 5,936.76, 8,187.30 and 5,097.20

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Solution

The fourth proportional to 5,936.76, 8,187.30 and 5,097.20 is: 7,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,936.76 : 8,187.30 = 5,097.20 : x
  2. Step 2: Convert to fraction form
    5,936.76/8,187.30 = 5,097.20/x
  3. Step 3: Cross multiply
    5,936.76x = 8,187.30 × 5,097.20
  4. Step 4: Simplify right side
    5,936.76x = 41,732,264.62
  5. Step 5: Solve for x
    x = 41,732,264.62/5,936.76
  6. Step 6: Final answer
    x = 7,029.47

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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.