Home / 7,190.11-10,790.09-2,510.12

Finding the Fourth Proportional to 7,190.11, 10,790.09 and 2,510.12

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Solution

The fourth proportional to 7,190.11, 10,790.09 and 2,510.12 is: 3,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.11 : 10,790.09 = 2,510.12 : x
  2. Step 2: Convert to fraction form
    7,190.11/10,790.09 = 2,510.12/x
  3. Step 3: Cross multiply
    7,190.11x = 10,790.09 × 2,510.12
  4. Step 4: Simplify right side
    7,190.11x = 27,084,423.85
  5. Step 5: Solve for x
    x = 27,084,423.85/7,190.11
  6. Step 6: Final answer
    x = 3,766.90

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1.5x scale

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.