Home / 4,021.79-5,550.08-2,253.42

Finding the Fourth Proportional to 4,021.79, 5,550.08 and 2,253.42

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Solution

The fourth proportional to 4,021.79, 5,550.08 and 2,253.42 is: 3,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.79 : 5,550.08 = 2,253.42 : x
  2. Step 2: Convert to fraction form
    4,021.79/5,550.08 = 2,253.42/x
  3. Step 3: Cross multiply
    4,021.79x = 5,550.08 × 2,253.42
  4. Step 4: Simplify right side
    4,021.79x = 12,506,650.01
  5. Step 5: Solve for x
    x = 12,506,650.01/4,021.79
  6. Step 6: Final answer
    x = 3,109.73

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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.