Home / 5,876.36-8,109.43-3,223.79

Finding the Fourth Proportional to 5,876.36, 8,109.43 and 3,223.79

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Solution

The fourth proportional to 5,876.36, 8,109.43 and 3,223.79 is: 4,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.36 : 8,109.43 = 3,223.79 : x
  2. Step 2: Convert to fraction form
    5,876.36/8,109.43 = 3,223.79/x
  3. Step 3: Cross multiply
    5,876.36x = 8,109.43 × 3,223.79
  4. Step 4: Simplify right side
    5,876.36x = 26,143,099.34
  5. Step 5: Solve for x
    x = 26,143,099.34/5,876.36
  6. Step 6: Final answer
    x = 4,448.86

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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.