Home / 7,900.46-11,851.37-2,057.06

Finding the Fourth Proportional to 7,900.46, 11,851.37 and 2,057.06

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Solution

The fourth proportional to 7,900.46, 11,851.37 and 2,057.06 is: 3,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.46 : 11,851.37 = 2,057.06 : x
  2. Step 2: Convert to fraction form
    7,900.46/11,851.37 = 2,057.06/x
  3. Step 3: Cross multiply
    7,900.46x = 11,851.37 × 2,057.06
  4. Step 4: Simplify right side
    7,900.46x = 24,379,006.23
  5. Step 5: Solve for x
    x = 24,379,006.23/7,900.46
  6. Step 6: Final answer
    x = 3,085.77

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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.