Home / 2,943.24-4,061.91-1,950.45

Finding the Fourth Proportional to 2,943.24, 4,061.91 and 1,950.45

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Solution

The fourth proportional to 2,943.24, 4,061.91 and 1,950.45 is: 2,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.24 : 4,061.91 = 1,950.45 : x
  2. Step 2: Convert to fraction form
    2,943.24/4,061.91 = 1,950.45/x
  3. Step 3: Cross multiply
    2,943.24x = 4,061.91 × 1,950.45
  4. Step 4: Simplify right side
    2,943.24x = 7,922,552.36
  5. Step 5: Solve for x
    x = 7,922,552.36/2,943.24
  6. Step 6: Final answer
    x = 2,691.78

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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.