Home / 3,021.50-4,169.68-1,763.42

Finding the Fourth Proportional to 3,021.50, 4,169.68 and 1,763.42

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Solution

The fourth proportional to 3,021.50, 4,169.68 and 1,763.42 is: 2,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.50 : 4,169.68 = 1,763.42 : x
  2. Step 2: Convert to fraction form
    3,021.50/4,169.68 = 1,763.42/x
  3. Step 3: Cross multiply
    3,021.50x = 4,169.68 × 1,763.42
  4. Step 4: Simplify right side
    3,021.50x = 7,352,897.11
  5. Step 5: Solve for x
    x = 7,352,897.11/3,021.50
  6. Step 6: Final answer
    x = 2,433.53

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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.