Home / 7,004.20-10,503.87-2,072.53

Finding the Fourth Proportional to 7,004.20, 10,503.87 and 2,072.53

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Solution

The fourth proportional to 7,004.20, 10,503.87 and 2,072.53 is: 3,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.20 : 10,503.87 = 2,072.53 : x
  2. Step 2: Convert to fraction form
    7,004.20/10,503.87 = 2,072.53/x
  3. Step 3: Cross multiply
    7,004.20x = 10,503.87 × 2,072.53
  4. Step 4: Simplify right side
    7,004.20x = 21,769,585.69
  5. Step 5: Solve for x
    x = 21,769,585.69/7,004.20
  6. Step 6: Final answer
    x = 3,108.08

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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.