Home / 2,683.03-4,025.21-834.40

Finding the Fourth Proportional to 2,683.03, 4,025.21 and 834.40

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Solution

The fourth proportional to 2,683.03, 4,025.21 and 834.40 is: 1,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.03 : 4,025.21 = 834.40 : x
  2. Step 2: Convert to fraction form
    2,683.03/4,025.21 = 834.40/x
  3. Step 3: Cross multiply
    2,683.03x = 4,025.21 × 834.40
  4. Step 4: Simplify right side
    2,683.03x = 3,358,635.22
  5. Step 5: Solve for x
    x = 3,358,635.22/2,683.03
  6. Step 6: Final answer
    x = 1,251.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.