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Finding the Fourth Proportional to 5,851.91, 8,790.12 and 4,974.28

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Solution

The fourth proportional to 5,851.91, 8,790.12 and 4,974.28 is: 7,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.91 : 8,790.12 = 4,974.28 : x
  2. Step 2: Convert to fraction form
    5,851.91/8,790.12 = 4,974.28/x
  3. Step 3: Cross multiply
    5,851.91x = 8,790.12 × 4,974.28
  4. Step 4: Simplify right side
    5,851.91x = 43,724,496.14
  5. Step 5: Solve for x
    x = 43,724,496.14/5,851.91
  6. Step 6: Final answer
    x = 7,471.83

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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.