Home / 4,147.71-6,221.34-1,550.43

Finding the Fourth Proportional to 4,147.71, 6,221.34 and 1,550.43

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Solution

The fourth proportional to 4,147.71, 6,221.34 and 1,550.43 is: 2,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.71 : 6,221.34 = 1,550.43 : x
  2. Step 2: Convert to fraction form
    4,147.71/6,221.34 = 1,550.43/x
  3. Step 3: Cross multiply
    4,147.71x = 6,221.34 × 1,550.43
  4. Step 4: Simplify right side
    4,147.71x = 9,645,752.18
  5. Step 5: Solve for x
    x = 9,645,752.18/4,147.71
  6. Step 6: Final answer
    x = 2,325.56

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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.