Home / 2,866.56-4,299.36-1,223.04

Finding the Fourth Proportional to 2,866.56, 4,299.36 and 1,223.04

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Solution

The fourth proportional to 2,866.56, 4,299.36 and 1,223.04 is: 1,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.56 : 4,299.36 = 1,223.04 : x
  2. Step 2: Convert to fraction form
    2,866.56/4,299.36 = 1,223.04/x
  3. Step 3: Cross multiply
    2,866.56x = 4,299.36 × 1,223.04
  4. Step 4: Simplify right side
    2,866.56x = 5,258,289.25
  5. Step 5: Solve for x
    x = 5,258,289.25/2,866.56
  6. Step 6: Final answer
    x = 1,834.36

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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.