Home / 5,201.19-7,177.77-2,843.51

Finding the Fourth Proportional to 5,201.19, 7,177.77 and 2,843.51

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Solution

The fourth proportional to 5,201.19, 7,177.77 and 2,843.51 is: 3,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.19 : 7,177.77 = 2,843.51 : x
  2. Step 2: Convert to fraction form
    5,201.19/7,177.77 = 2,843.51/x
  3. Step 3: Cross multiply
    5,201.19x = 7,177.77 × 2,843.51
  4. Step 4: Simplify right side
    5,201.19x = 20,410,024.88
  5. Step 5: Solve for x
    x = 20,410,024.88/5,201.19
  6. Step 6: Final answer
    x = 3,924.11

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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.