Home / 2,783.36-4,176.19-1,222.56

Finding the Fourth Proportional to 2,783.36, 4,176.19 and 1,222.56

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Solution

The fourth proportional to 2,783.36, 4,176.19 and 1,222.56 is: 1,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.36 : 4,176.19 = 1,222.56 : x
  2. Step 2: Convert to fraction form
    2,783.36/4,176.19 = 1,222.56/x
  3. Step 3: Cross multiply
    2,783.36x = 4,176.19 × 1,222.56
  4. Step 4: Simplify right side
    2,783.36x = 5,105,642.85
  5. Step 5: Solve for x
    x = 5,105,642.85/2,783.36
  6. Step 6: Final answer
    x = 1,834.35

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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.