Home / 3,924.50-5,415.59-2,245.98

Finding the Fourth Proportional to 3,924.50, 5,415.59 and 2,245.98

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Solution

The fourth proportional to 3,924.50, 5,415.59 and 2,245.98 is: 3,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.50 : 5,415.59 = 2,245.98 : x
  2. Step 2: Convert to fraction form
    3,924.50/5,415.59 = 2,245.98/x
  3. Step 3: Cross multiply
    3,924.50x = 5,415.59 × 2,245.98
  4. Step 4: Simplify right side
    3,924.50x = 12,163,295.60
  5. Step 5: Solve for x
    x = 12,163,295.60/3,924.50
  6. Step 6: Final answer
    x = 3,099.33

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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.