Home / 4,718.26-7,077.39-1,208.28

Finding the Fourth Proportional to 4,718.26, 7,077.39 and 1,208.28

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Solution

The fourth proportional to 4,718.26, 7,077.39 and 1,208.28 is: 1,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.26 : 7,077.39 = 1,208.28 : x
  2. Step 2: Convert to fraction form
    4,718.26/7,077.39 = 1,208.28/x
  3. Step 3: Cross multiply
    4,718.26x = 7,077.39 × 1,208.28
  4. Step 4: Simplify right side
    4,718.26x = 8,551,468.79
  5. Step 5: Solve for x
    x = 8,551,468.79/4,718.26
  6. Step 6: Final answer
    x = 1,812.42

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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.