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Finding the Fourth Proportional to 3,745.98, 5,620.17 and 1,798.32

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Solution

The fourth proportional to 3,745.98, 5,620.17 and 1,798.32 is: 2,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.98 : 5,620.17 = 1,798.32 : x
  2. Step 2: Convert to fraction form
    3,745.98/5,620.17 = 1,798.32/x
  3. Step 3: Cross multiply
    3,745.98x = 5,620.17 × 1,798.32
  4. Step 4: Simplify right side
    3,745.98x = 10,106,864.11
  5. Step 5: Solve for x
    x = 10,106,864.11/3,745.98
  6. Step 6: Final answer
    x = 2,698.06

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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.