Home / 3,173.27-4,759.13-1,324.40

Finding the Fourth Proportional to 3,173.27, 4,759.13 and 1,324.40

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Solution

The fourth proportional to 3,173.27, 4,759.13 and 1,324.40 is: 1,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.27 : 4,759.13 = 1,324.40 : x
  2. Step 2: Convert to fraction form
    3,173.27/4,759.13 = 1,324.40/x
  3. Step 3: Cross multiply
    3,173.27x = 4,759.13 × 1,324.40
  4. Step 4: Simplify right side
    3,173.27x = 6,302,961.35
  5. Step 5: Solve for x
    x = 6,302,961.35/3,173.27
  6. Step 6: Final answer
    x = 1,986.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.