Home / 3,054.86-4,216.83-1,813.58

Finding the Fourth Proportional to 3,054.86, 4,216.83 and 1,813.58

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Solution

The fourth proportional to 3,054.86, 4,216.83 and 1,813.58 is: 2,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.86 : 4,216.83 = 1,813.58 : x
  2. Step 2: Convert to fraction form
    3,054.86/4,216.83 = 1,813.58/x
  3. Step 3: Cross multiply
    3,054.86x = 4,216.83 × 1,813.58
  4. Step 4: Simplify right side
    3,054.86x = 7,647,558.55
  5. Step 5: Solve for x
    x = 7,647,558.55/3,054.86
  6. Step 6: Final answer
    x = 2,503.41

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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.