Home / 4,245.36-6,367.74-1,611.78

Finding the Fourth Proportional to 4,245.36, 6,367.74 and 1,611.78

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Solution

The fourth proportional to 4,245.36, 6,367.74 and 1,611.78 is: 2,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.36 : 6,367.74 = 1,611.78 : x
  2. Step 2: Convert to fraction form
    4,245.36/6,367.74 = 1,611.78/x
  3. Step 3: Cross multiply
    4,245.36x = 6,367.74 × 1,611.78
  4. Step 4: Simplify right side
    4,245.36x = 10,263,395.98
  5. Step 5: Solve for x
    x = 10,263,395.98/4,245.36
  6. Step 6: Final answer
    x = 2,417.56

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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.