Home / 3,683.92-5,083.77-2,191.81

Finding the Fourth Proportional to 3,683.92, 5,083.77 and 2,191.81

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Solution

The fourth proportional to 3,683.92, 5,083.77 and 2,191.81 is: 3,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.92 : 5,083.77 = 2,191.81 : x
  2. Step 2: Convert to fraction form
    3,683.92/5,083.77 = 2,191.81/x
  3. Step 3: Cross multiply
    3,683.92x = 5,083.77 × 2,191.81
  4. Step 4: Simplify right side
    3,683.92x = 11,142,657.92
  5. Step 5: Solve for x
    x = 11,142,657.92/3,683.92
  6. Step 6: Final answer
    x = 3,024.67

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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.