Home / 7,002.07-10,500.03-2,072.09

Finding the Fourth Proportional to 7,002.07, 10,500.03 and 2,072.09

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Solution

The fourth proportional to 7,002.07, 10,500.03 and 2,072.09 is: 3,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.07 : 10,500.03 = 2,072.09 : x
  2. Step 2: Convert to fraction form
    7,002.07/10,500.03 = 2,072.09/x
  3. Step 3: Cross multiply
    7,002.07x = 10,500.03 × 2,072.09
  4. Step 4: Simplify right side
    7,002.07x = 21,756,996.80
  5. Step 5: Solve for x
    x = 21,756,996.80/7,002.07
  6. Step 6: Final answer
    x = 3,107.22

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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.