Home / 3,683.68-5,083.53-2,005.12

Finding the Fourth Proportional to 3,683.68, 5,083.53 and 2,005.12

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Solution

The fourth proportional to 3,683.68, 5,083.53 and 2,005.12 is: 2,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.68 : 5,083.53 = 2,005.12 : x
  2. Step 2: Convert to fraction form
    3,683.68/5,083.53 = 2,005.12/x
  3. Step 3: Cross multiply
    3,683.68x = 5,083.53 × 2,005.12
  4. Step 4: Simplify right side
    3,683.68x = 10,193,087.67
  5. Step 5: Solve for x
    x = 10,193,087.67/3,683.68
  6. Step 6: Final answer
    x = 2,767.09

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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.