Home / 3,468.05-4,786.35-1,976.50

Finding the Fourth Proportional to 3,468.05, 4,786.35 and 1,976.50

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Solution

The fourth proportional to 3,468.05, 4,786.35 and 1,976.50 is: 2,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.05 : 4,786.35 = 1,976.50 : x
  2. Step 2: Convert to fraction form
    3,468.05/4,786.35 = 1,976.50/x
  3. Step 3: Cross multiply
    3,468.05x = 4,786.35 × 1,976.50
  4. Step 4: Simplify right side
    3,468.05x = 9,460,208.81
  5. Step 5: Solve for x
    x = 9,460,208.81/3,468.05
  6. Step 6: Final answer
    x = 2,727.82

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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.