Home / 3,838.65-5,759.19-1,206.06

Finding the Fourth Proportional to 3,838.65, 5,759.19 and 1,206.06

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Solution

The fourth proportional to 3,838.65, 5,759.19 and 1,206.06 is: 1,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.65 : 5,759.19 = 1,206.06 : x
  2. Step 2: Convert to fraction form
    3,838.65/5,759.19 = 1,206.06/x
  3. Step 3: Cross multiply
    3,838.65x = 5,759.19 × 1,206.06
  4. Step 4: Simplify right side
    3,838.65x = 6,945,928.69
  5. Step 5: Solve for x
    x = 6,945,928.69/3,838.65
  6. Step 6: Final answer
    x = 1,809.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.