Home / 7,620.69-11,430.97-2,073.99

Finding the Fourth Proportional to 7,620.69, 11,430.97 and 2,073.99

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Solution

The fourth proportional to 7,620.69, 11,430.97 and 2,073.99 is: 3,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.69 : 11,430.97 = 2,073.99 : x
  2. Step 2: Convert to fraction form
    7,620.69/11,430.97 = 2,073.99/x
  3. Step 3: Cross multiply
    7,620.69x = 11,430.97 × 2,073.99
  4. Step 4: Simplify right side
    7,620.69x = 23,707,755.15
  5. Step 5: Solve for x
    x = 23,707,755.15/7,620.69
  6. Step 6: Final answer
    x = 3,110.97

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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.