Home / 7,010.72-10,517.12-2,079.77

Finding the Fourth Proportional to 7,010.72, 10,517.12 and 2,079.77

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Solution

The fourth proportional to 7,010.72, 10,517.12 and 2,079.77 is: 3,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.72 : 10,517.12 = 2,079.77 : x
  2. Step 2: Convert to fraction form
    7,010.72/10,517.12 = 2,079.77/x
  3. Step 3: Cross multiply
    7,010.72x = 10,517.12 × 2,079.77
  4. Step 4: Simplify right side
    7,010.72x = 21,873,222.15
  5. Step 5: Solve for x
    x = 21,873,222.15/7,010.72
  6. Step 6: Final answer
    x = 3,119.97

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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.