Home / 2,772.27-3,819.93-1,886.53

Finding the Fourth Proportional to 2,772.27, 3,819.93 and 1,886.53

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Solution

The fourth proportional to 2,772.27, 3,819.93 and 1,886.53 is: 2,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.27 : 3,819.93 = 1,886.53 : x
  2. Step 2: Convert to fraction form
    2,772.27/3,819.93 = 1,886.53/x
  3. Step 3: Cross multiply
    2,772.27x = 3,819.93 × 1,886.53
  4. Step 4: Simplify right side
    2,772.27x = 7,206,412.54
  5. Step 5: Solve for x
    x = 7,206,412.54/2,772.27
  6. Step 6: Final answer
    x = 2,599.46

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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.