Home / 3,858.50-5,324.73-2,090.11

Finding the Fourth Proportional to 3,858.50, 5,324.73 and 2,090.11

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Solution

The fourth proportional to 3,858.50, 5,324.73 and 2,090.11 is: 2,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.50 : 5,324.73 = 2,090.11 : x
  2. Step 2: Convert to fraction form
    3,858.50/5,324.73 = 2,090.11/x
  3. Step 3: Cross multiply
    3,858.50x = 5,324.73 × 2,090.11
  4. Step 4: Simplify right side
    3,858.50x = 11,129,244.80
  5. Step 5: Solve for x
    x = 11,129,244.80/3,858.50
  6. Step 6: Final answer
    x = 2,884.34

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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.