Home / 6,461.99-9,686.83-2,076.37

Finding the Fourth Proportional to 6,461.99, 9,686.83 and 2,076.37

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Solution

The fourth proportional to 6,461.99, 9,686.83 and 2,076.37 is: 3,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.99 : 9,686.83 = 2,076.37 : x
  2. Step 2: Convert to fraction form
    6,461.99/9,686.83 = 2,076.37/x
  3. Step 3: Cross multiply
    6,461.99x = 9,686.83 × 2,076.37
  4. Step 4: Simplify right side
    6,461.99x = 20,113,413.80
  5. Step 5: Solve for x
    x = 20,113,413.80/6,461.99
  6. Step 6: Final answer
    x = 3,112.57

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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.