Home / 3,227.15-4,453.76-1,900.19

Finding the Fourth Proportional to 3,227.15, 4,453.76 and 1,900.19

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Solution

The fourth proportional to 3,227.15, 4,453.76 and 1,900.19 is: 2,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.15 : 4,453.76 = 1,900.19 : x
  2. Step 2: Convert to fraction form
    3,227.15/4,453.76 = 1,900.19/x
  3. Step 3: Cross multiply
    3,227.15x = 4,453.76 × 1,900.19
  4. Step 4: Simplify right side
    3,227.15x = 8,462,980.71
  5. Step 5: Solve for x
    x = 8,462,980.71/3,227.15
  6. Step 6: Final answer
    x = 2,622.43

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Half scale
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Double scale
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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.