Home / 3,683.81-5,081.49-2,357.03

Finding the Fourth Proportional to 3,683.81, 5,081.49 and 2,357.03

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Solution

The fourth proportional to 3,683.81, 5,081.49 and 2,357.03 is: 3,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.81 : 5,081.49 = 2,357.03 : x
  2. Step 2: Convert to fraction form
    3,683.81/5,081.49 = 2,357.03/x
  3. Step 3: Cross multiply
    3,683.81x = 5,081.49 × 2,357.03
  4. Step 4: Simplify right side
    3,683.81x = 11,977,198.97
  5. Step 5: Solve for x
    x = 11,977,198.97/3,683.81
  6. Step 6: Final answer
    x = 3,251.31

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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.