Home / 7,731.98-10,669.76-4,195.12

Finding the Fourth Proportional to 7,731.98, 10,669.76 and 4,195.12

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Solution

The fourth proportional to 7,731.98, 10,669.76 and 4,195.12 is: 5,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.98 : 10,669.76 = 4,195.12 : x
  2. Step 2: Convert to fraction form
    7,731.98/10,669.76 = 4,195.12/x
  3. Step 3: Cross multiply
    7,731.98x = 10,669.76 × 4,195.12
  4. Step 4: Simplify right side
    7,731.98x = 44,760,923.57
  5. Step 5: Solve for x
    x = 44,760,923.57/7,731.98
  6. Step 6: Final answer
    x = 5,789.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.