Home / 2,949.13-4,069.83-1,622.87

Finding the Fourth Proportional to 2,949.13, 4,069.83 and 1,622.87

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Solution

The fourth proportional to 2,949.13, 4,069.83 and 1,622.87 is: 2,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.13 : 4,069.83 = 1,622.87 : x
  2. Step 2: Convert to fraction form
    2,949.13/4,069.83 = 1,622.87/x
  3. Step 3: Cross multiply
    2,949.13x = 4,069.83 × 1,622.87
  4. Step 4: Simplify right side
    2,949.13x = 6,604,806.01
  5. Step 5: Solve for x
    x = 6,604,806.01/2,949.13
  6. Step 6: Final answer
    x = 2,239.57

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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.