Home / 5,310.79-7,329.08-3,042.54

Finding the Fourth Proportional to 5,310.79, 7,329.08 and 3,042.54

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Solution

The fourth proportional to 5,310.79, 7,329.08 and 3,042.54 is: 4,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.79 : 7,329.08 = 3,042.54 : x
  2. Step 2: Convert to fraction form
    5,310.79/7,329.08 = 3,042.54/x
  3. Step 3: Cross multiply
    5,310.79x = 7,329.08 × 3,042.54
  4. Step 4: Simplify right side
    5,310.79x = 22,299,017.51
  5. Step 5: Solve for x
    x = 22,299,017.51/5,310.79
  6. Step 6: Final answer
    x = 4,198.81

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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.