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Finding the Fourth Proportional to 5,236.79, 7,844.90 and 3,040.92

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Solution

The fourth proportional to 5,236.79, 7,844.90 and 3,040.92 is: 4,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.79 : 7,844.90 = 3,040.92 : x
  2. Step 2: Convert to fraction form
    5,236.79/7,844.90 = 3,040.92/x
  3. Step 3: Cross multiply
    5,236.79x = 7,844.90 × 3,040.92
  4. Step 4: Simplify right side
    5,236.79x = 23,855,698.10
  5. Step 5: Solve for x
    x = 23,855,698.10/5,236.79
  6. Step 6: Final answer
    x = 4,555.41

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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.