Home / 6,107.26-8,428.02-3,312.76

Finding the Fourth Proportional to 6,107.26, 8,428.02 and 3,312.76

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Solution

The fourth proportional to 6,107.26, 8,428.02 and 3,312.76 is: 4,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.26 : 8,428.02 = 3,312.76 : x
  2. Step 2: Convert to fraction form
    6,107.26/8,428.02 = 3,312.76/x
  3. Step 3: Cross multiply
    6,107.26x = 8,428.02 × 3,312.76
  4. Step 4: Simplify right side
    6,107.26x = 27,920,007.54
  5. Step 5: Solve for x
    x = 27,920,007.54/6,107.26
  6. Step 6: Final answer
    x = 4,571.61

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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.