Home / 5,166.63-7,129.97-3,042.25

Finding the Fourth Proportional to 5,166.63, 7,129.97 and 3,042.25

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Solution

The fourth proportional to 5,166.63, 7,129.97 and 3,042.25 is: 4,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.63 : 7,129.97 = 3,042.25 : x
  2. Step 2: Convert to fraction form
    5,166.63/7,129.97 = 3,042.25/x
  3. Step 3: Cross multiply
    5,166.63x = 7,129.97 × 3,042.25
  4. Step 4: Simplify right side
    5,166.63x = 21,691,151.23
  5. Step 5: Solve for x
    x = 21,691,151.23/5,166.63
  6. Step 6: Final answer
    x = 4,198.32

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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.