Home / 4,868.56-6,717.63-2,879.38

Finding the Fourth Proportional to 4,868.56, 6,717.63 and 2,879.38

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Solution

The fourth proportional to 4,868.56, 6,717.63 and 2,879.38 is: 3,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.56 : 6,717.63 = 2,879.38 : x
  2. Step 2: Convert to fraction form
    4,868.56/6,717.63 = 2,879.38/x
  3. Step 3: Cross multiply
    4,868.56x = 6,717.63 × 2,879.38
  4. Step 4: Simplify right side
    4,868.56x = 19,342,609.47
  5. Step 5: Solve for x
    x = 19,342,609.47/4,868.56
  6. Step 6: Final answer
    x = 3,972.96

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1.5x scale

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.