Home / 2,814.62-3,883.95-1,635.77

Finding the Fourth Proportional to 2,814.62, 3,883.95 and 1,635.77

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Solution

The fourth proportional to 2,814.62, 3,883.95 and 1,635.77 is: 2,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.62 : 3,883.95 = 1,635.77 : x
  2. Step 2: Convert to fraction form
    2,814.62/3,883.95 = 1,635.77/x
  3. Step 3: Cross multiply
    2,814.62x = 3,883.95 × 1,635.77
  4. Step 4: Simplify right side
    2,814.62x = 6,353,258.60
  5. Step 5: Solve for x
    x = 6,353,258.60/2,814.62
  6. Step 6: Final answer
    x = 2,257.24

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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.