Home / 4,849.56-7,273.53-1,386

Finding the Fourth Proportional to 4,849.56, 7,273.53 and 1,386

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Solution

The fourth proportional to 4,849.56, 7,273.53 and 1,386 is: 2,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.56 : 7,273.53 = 1,386 : x
  2. Step 2: Convert to fraction form
    4,849.56/7,273.53 = 1,386/x
  3. Step 3: Cross multiply
    4,849.56x = 7,273.53 × 1,386
  4. Step 4: Simplify right side
    4,849.56x = 10,081,112.58
  5. Step 5: Solve for x
    x = 10,081,112.58/4,849.56
  6. Step 6: Final answer
    x = 2,078.77

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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.