Home / 6,925.91-10,378.43-3,223.80

Finding the Fourth Proportional to 6,925.91, 10,378.43 and 3,223.80

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Solution

The fourth proportional to 6,925.91, 10,378.43 and 3,223.80 is: 4,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.91 : 10,378.43 = 3,223.80 : x
  2. Step 2: Convert to fraction form
    6,925.91/10,378.43 = 3,223.80/x
  3. Step 3: Cross multiply
    6,925.91x = 10,378.43 × 3,223.80
  4. Step 4: Simplify right side
    6,925.91x = 33,457,978.60
  5. Step 5: Solve for x
    x = 33,457,978.60/6,925.91
  6. Step 6: Final answer
    x = 4,830.85

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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.