Home / 2,722.50-3,752.78-1,776.62

Finding the Fourth Proportional to 2,722.50, 3,752.78 and 1,776.62

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Solution

The fourth proportional to 2,722.50, 3,752.78 and 1,776.62 is: 2,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.50 : 3,752.78 = 1,776.62 : x
  2. Step 2: Convert to fraction form
    2,722.50/3,752.78 = 1,776.62/x
  3. Step 3: Cross multiply
    2,722.50x = 3,752.78 × 1,776.62
  4. Step 4: Simplify right side
    2,722.50x = 6,667,236.36
  5. Step 5: Solve for x
    x = 6,667,236.36/2,722.50
  6. Step 6: Final answer
    x = 2,448.94

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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.