Home / 4,046.58-5,580.81-2,789.67

Finding the Fourth Proportional to 4,046.58, 5,580.81 and 2,789.67

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Solution

The fourth proportional to 4,046.58, 5,580.81 and 2,789.67 is: 3,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.58 : 5,580.81 = 2,789.67 : x
  2. Step 2: Convert to fraction form
    4,046.58/5,580.81 = 2,789.67/x
  3. Step 3: Cross multiply
    4,046.58x = 5,580.81 × 2,789.67
  4. Step 4: Simplify right side
    4,046.58x = 15,568,618.23
  5. Step 5: Solve for x
    x = 15,568,618.23/4,046.58
  6. Step 6: Final answer
    x = 3,847.35

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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.