Home / 6,783.49-10,176.70-2,103.41

Finding the Fourth Proportional to 6,783.49, 10,176.70 and 2,103.41

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Solution

The fourth proportional to 6,783.49, 10,176.70 and 2,103.41 is: 3,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.49 : 10,176.70 = 2,103.41 : x
  2. Step 2: Convert to fraction form
    6,783.49/10,176.70 = 2,103.41/x
  3. Step 3: Cross multiply
    6,783.49x = 10,176.70 × 2,103.41
  4. Step 4: Simplify right side
    6,783.49x = 21,405,749.54
  5. Step 5: Solve for x
    x = 21,405,749.54/6,783.49
  6. Step 6: Final answer
    x = 3,155.56

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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.