Home / 6,107.50-8,428.35-3,313

Finding the Fourth Proportional to 6,107.50, 8,428.35 and 3,313

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Solution

The fourth proportional to 6,107.50, 8,428.35 and 3,313 is: 4,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.50 : 8,428.35 = 3,313 : x
  2. Step 2: Convert to fraction form
    6,107.50/8,428.35 = 3,313/x
  3. Step 3: Cross multiply
    6,107.50x = 8,428.35 × 3,313
  4. Step 4: Simplify right side
    6,107.50x = 27,923,123.55
  5. Step 5: Solve for x
    x = 27,923,123.55/6,107.50
  6. Step 6: Final answer
    x = 4,571.94

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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.