Home / 7,731.76-10,669.74-4,194.97

Finding the Fourth Proportional to 7,731.76, 10,669.74 and 4,194.97

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Solution

The fourth proportional to 7,731.76, 10,669.74 and 4,194.97 is: 5,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.76 : 10,669.74 = 4,194.97 : x
  2. Step 2: Convert to fraction form
    7,731.76/10,669.74 = 4,194.97/x
  3. Step 3: Cross multiply
    7,731.76x = 10,669.74 × 4,194.97
  4. Step 4: Simplify right side
    7,731.76x = 44,759,239.21
  5. Step 5: Solve for x
    x = 44,759,239.21/7,731.76
  6. Step 6: Final answer
    x = 5,789.01

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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.