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Finding the Fourth Proportional to 3,997.06, 5,994.74 and 1,075.39

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Solution

The fourth proportional to 3,997.06, 5,994.74 and 1,075.39 is: 1,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.06 : 5,994.74 = 1,075.39 : x
  2. Step 2: Convert to fraction form
    3,997.06/5,994.74 = 1,075.39/x
  3. Step 3: Cross multiply
    3,997.06x = 5,994.74 × 1,075.39
  4. Step 4: Simplify right side
    3,997.06x = 6,446,653.47
  5. Step 5: Solve for x
    x = 6,446,653.47/3,997.06
  6. Step 6: Final answer
    x = 1,612.85

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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.