Home / 4,079.41-5,629.39-2,286.67

Finding the Fourth Proportional to 4,079.41, 5,629.39 and 2,286.67

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Solution

The fourth proportional to 4,079.41, 5,629.39 and 2,286.67 is: 3,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.41 : 5,629.39 = 2,286.67 : x
  2. Step 2: Convert to fraction form
    4,079.41/5,629.39 = 2,286.67/x
  3. Step 3: Cross multiply
    4,079.41x = 5,629.39 × 2,286.67
  4. Step 4: Simplify right side
    4,079.41x = 12,872,557.23
  5. Step 5: Solve for x
    x = 12,872,557.23/4,079.41
  6. Step 6: Final answer
    x = 3,155.49

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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.