Home / 3,815.81-5,266.26-2,324.60

Finding the Fourth Proportional to 3,815.81, 5,266.26 and 2,324.60

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Solution

The fourth proportional to 3,815.81, 5,266.26 and 2,324.60 is: 3,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.81 : 5,266.26 = 2,324.60 : x
  2. Step 2: Convert to fraction form
    3,815.81/5,266.26 = 2,324.60/x
  3. Step 3: Cross multiply
    3,815.81x = 5,266.26 × 2,324.60
  4. Step 4: Simplify right side
    3,815.81x = 12,241,936.37
  5. Step 5: Solve for x
    x = 12,241,936.37/3,815.81
  6. Step 6: Final answer
    x = 3,208.21

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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.