Home / 3,895.08-5,361.57-3,396.84

Finding the Fourth Proportional to 3,895.08, 5,361.57 and 3,396.84

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Solution

The fourth proportional to 3,895.08, 5,361.57 and 3,396.84 is: 4,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.08 : 5,361.57 = 3,396.84 : x
  2. Step 2: Convert to fraction form
    3,895.08/5,361.57 = 3,396.84/x
  3. Step 3: Cross multiply
    3,895.08x = 5,361.57 × 3,396.84
  4. Step 4: Simplify right side
    3,895.08x = 18,212,395.44
  5. Step 5: Solve for x
    x = 18,212,395.44/3,895.08
  6. Step 6: Final answer
    x = 4,675.74

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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.