Home / 3,858.24-5,324.38-2,089.84

Finding the Fourth Proportional to 3,858.24, 5,324.38 and 2,089.84

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Solution

The fourth proportional to 3,858.24, 5,324.38 and 2,089.84 is: 2,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.24 : 5,324.38 = 2,089.84 : x
  2. Step 2: Convert to fraction form
    3,858.24/5,324.38 = 2,089.84/x
  3. Step 3: Cross multiply
    3,858.24x = 5,324.38 × 2,089.84
  4. Step 4: Simplify right side
    3,858.24x = 11,127,102.30
  5. Step 5: Solve for x
    x = 11,127,102.30/3,858.24
  6. Step 6: Final answer
    x = 2,883.98

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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.