Home / 3,227.65-4,454.45-1,900.69

Finding the Fourth Proportional to 3,227.65, 4,454.45 and 1,900.69

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Solution

The fourth proportional to 3,227.65, 4,454.45 and 1,900.69 is: 2,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.65 : 4,454.45 = 1,900.69 : x
  2. Step 2: Convert to fraction form
    3,227.65/4,454.45 = 1,900.69/x
  3. Step 3: Cross multiply
    3,227.65x = 4,454.45 × 1,900.69
  4. Step 4: Simplify right side
    3,227.65x = 8,466,528.57
  5. Step 5: Solve for x
    x = 8,466,528.57/3,227.65
  6. Step 6: Final answer
    x = 2,623.12

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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.