Home / 6,985.92-10,480.41-2,055.57

Finding the Fourth Proportional to 6,985.92, 10,480.41 and 2,055.57

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Solution

The fourth proportional to 6,985.92, 10,480.41 and 2,055.57 is: 3,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.92 : 10,480.41 = 2,055.57 : x
  2. Step 2: Convert to fraction form
    6,985.92/10,480.41 = 2,055.57/x
  3. Step 3: Cross multiply
    6,985.92x = 10,480.41 × 2,055.57
  4. Step 4: Simplify right side
    6,985.92x = 21,543,216.38
  5. Step 5: Solve for x
    x = 21,543,216.38/6,985.92
  6. Step 6: Final answer
    x = 3,083.81

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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.