Home / 5,236.21-7,226.27-2,998.77

Finding the Fourth Proportional to 5,236.21, 7,226.27 and 2,998.77

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Solution

The fourth proportional to 5,236.21, 7,226.27 and 2,998.77 is: 4,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.21 : 7,226.27 = 2,998.77 : x
  2. Step 2: Convert to fraction form
    5,236.21/7,226.27 = 2,998.77/x
  3. Step 3: Cross multiply
    5,236.21x = 7,226.27 × 2,998.77
  4. Step 4: Simplify right side
    5,236.21x = 21,669,921.69
  5. Step 5: Solve for x
    x = 21,669,921.69/5,236.21
  6. Step 6: Final answer
    x = 4,138.47

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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.