Home / 3,061.28-4,225.26-1,943.76

Finding the Fourth Proportional to 3,061.28, 4,225.26 and 1,943.76

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Solution

The fourth proportional to 3,061.28, 4,225.26 and 1,943.76 is: 2,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.28 : 4,225.26 = 1,943.76 : x
  2. Step 2: Convert to fraction form
    3,061.28/4,225.26 = 1,943.76/x
  3. Step 3: Cross multiply
    3,061.28x = 4,225.26 × 1,943.76
  4. Step 4: Simplify right side
    3,061.28x = 8,212,891.38
  5. Step 5: Solve for x
    x = 8,212,891.38/3,061.28
  6. Step 6: Final answer
    x = 2,682.83

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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.