Home / 5,137.25-7,706.49-1,674.50

Finding the Fourth Proportional to 5,137.25, 7,706.49 and 1,674.50

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Solution

The fourth proportional to 5,137.25, 7,706.49 and 1,674.50 is: 2,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.25 : 7,706.49 = 1,674.50 : x
  2. Step 2: Convert to fraction form
    5,137.25/7,706.49 = 1,674.50/x
  3. Step 3: Cross multiply
    5,137.25x = 7,706.49 × 1,674.50
  4. Step 4: Simplify right side
    5,137.25x = 12,904,509.13
  5. Step 5: Solve for x
    x = 12,904,509.13/5,137.25
  6. Step 6: Final answer
    x = 2,511.95

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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.