Home / 6,145.53-8,480.85-3,351.03

Finding the Fourth Proportional to 6,145.53, 8,480.85 and 3,351.03

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Solution

The fourth proportional to 6,145.53, 8,480.85 and 3,351.03 is: 4,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.53 : 8,480.85 = 3,351.03 : x
  2. Step 2: Convert to fraction form
    6,145.53/8,480.85 = 3,351.03/x
  3. Step 3: Cross multiply
    6,145.53x = 8,480.85 × 3,351.03
  4. Step 4: Simplify right side
    6,145.53x = 28,419,582.78
  5. Step 5: Solve for x
    x = 28,419,582.78/6,145.53
  6. Step 6: Final answer
    x = 4,624.43

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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.