Home / 2,683.92-3,704.28-1,636.56

Finding the Fourth Proportional to 2,683.92, 3,704.28 and 1,636.56

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Solution

The fourth proportional to 2,683.92, 3,704.28 and 1,636.56 is: 2,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.92 : 3,704.28 = 1,636.56 : x
  2. Step 2: Convert to fraction form
    2,683.92/3,704.28 = 1,636.56/x
  3. Step 3: Cross multiply
    2,683.92x = 3,704.28 × 1,636.56
  4. Step 4: Simplify right side
    2,683.92x = 6,062,276.48
  5. Step 5: Solve for x
    x = 6,062,276.48/2,683.92
  6. Step 6: Final answer
    x = 2,258.74

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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.