Home / 3,103.14-4,281.66-1,777.26

Finding the Fourth Proportional to 3,103.14, 4,281.66 and 1,777.26

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Solution

The fourth proportional to 3,103.14, 4,281.66 and 1,777.26 is: 2,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.14 : 4,281.66 = 1,777.26 : x
  2. Step 2: Convert to fraction form
    3,103.14/4,281.66 = 1,777.26/x
  3. Step 3: Cross multiply
    3,103.14x = 4,281.66 × 1,777.26
  4. Step 4: Simplify right side
    3,103.14x = 7,609,623.05
  5. Step 5: Solve for x
    x = 7,609,623.05/3,103.14
  6. Step 6: Final answer
    x = 2,452.23

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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.