Home / 6,664.70-9,197.26-3,640.02

Finding the Fourth Proportional to 6,664.70, 9,197.26 and 3,640.02

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Solution

The fourth proportional to 6,664.70, 9,197.26 and 3,640.02 is: 5,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.70 : 9,197.26 = 3,640.02 : x
  2. Step 2: Convert to fraction form
    6,664.70/9,197.26 = 3,640.02/x
  3. Step 3: Cross multiply
    6,664.70x = 9,197.26 × 3,640.02
  4. Step 4: Simplify right side
    6,664.70x = 33,478,210.35
  5. Step 5: Solve for x
    x = 33,478,210.35/6,664.70
  6. Step 6: Final answer
    x = 5,023.21

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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.