Home / 5,474.69-8,210.70-2,511.28

Finding the Fourth Proportional to 5,474.69, 8,210.70 and 2,511.28

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Solution

The fourth proportional to 5,474.69, 8,210.70 and 2,511.28 is: 3,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.69 : 8,210.70 = 2,511.28 : x
  2. Step 2: Convert to fraction form
    5,474.69/8,210.70 = 2,511.28/x
  3. Step 3: Cross multiply
    5,474.69x = 8,210.70 × 2,511.28
  4. Step 4: Simplify right side
    5,474.69x = 20,619,364.46
  5. Step 5: Solve for x
    x = 20,619,364.46/5,474.69
  6. Step 6: Final answer
    x = 3,766.31

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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.