Home / 4,021.71-5,550.29-2,253.07

Finding the Fourth Proportional to 4,021.71, 5,550.29 and 2,253.07

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Solution

The fourth proportional to 4,021.71, 5,550.29 and 2,253.07 is: 3,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.71 : 5,550.29 = 2,253.07 : x
  2. Step 2: Convert to fraction form
    4,021.71/5,550.29 = 2,253.07/x
  3. Step 3: Cross multiply
    4,021.71x = 5,550.29 × 2,253.07
  4. Step 4: Simplify right side
    4,021.71x = 12,505,191.89
  5. Step 5: Solve for x
    x = 12,505,191.89/4,021.71
  6. Step 6: Final answer
    x = 3,109.42

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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.