Home / 6,786.94-10,180.30-1,856.58

Finding the Fourth Proportional to 6,786.94, 10,180.30 and 1,856.58

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Solution

The fourth proportional to 6,786.94, 10,180.30 and 1,856.58 is: 2,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.94 : 10,180.30 = 1,856.58 : x
  2. Step 2: Convert to fraction form
    6,786.94/10,180.30 = 1,856.58/x
  3. Step 3: Cross multiply
    6,786.94x = 10,180.30 × 1,856.58
  4. Step 4: Simplify right side
    6,786.94x = 18,900,541.37
  5. Step 5: Solve for x
    x = 18,900,541.37/6,786.94
  6. Step 6: Final answer
    x = 2,784.84

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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.