Home / 3,458.19-4,771.76-2,132.33

Finding the Fourth Proportional to 3,458.19, 4,771.76 and 2,132.33

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Solution

The fourth proportional to 3,458.19, 4,771.76 and 2,132.33 is: 2,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.19 : 4,771.76 = 2,132.33 : x
  2. Step 2: Convert to fraction form
    3,458.19/4,771.76 = 2,132.33/x
  3. Step 3: Cross multiply
    3,458.19x = 4,771.76 × 2,132.33
  4. Step 4: Simplify right side
    3,458.19x = 10,174,944.47
  5. Step 5: Solve for x
    x = 10,174,944.47/3,458.19
  6. Step 6: Final answer
    x = 2,942.27

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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.