Home / 6,790.24-10,186-2,110.30

Finding the Fourth Proportional to 6,790.24, 10,186 and 2,110.30

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Solution

The fourth proportional to 6,790.24, 10,186 and 2,110.30 is: 3,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.24 : 10,186 = 2,110.30 : x
  2. Step 2: Convert to fraction form
    6,790.24/10,186 = 2,110.30/x
  3. Step 3: Cross multiply
    6,790.24x = 10,186 × 2,110.30
  4. Step 4: Simplify right side
    6,790.24x = 21,495,515.80
  5. Step 5: Solve for x
    x = 21,495,515.80/6,790.24
  6. Step 6: Final answer
    x = 3,165.65

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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.