Home / 4,905.91-7,361.60-1,984.44

Finding the Fourth Proportional to 4,905.91, 7,361.60 and 1,984.44

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Solution

The fourth proportional to 4,905.91, 7,361.60 and 1,984.44 is: 2,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.91 : 7,361.60 = 1,984.44 : x
  2. Step 2: Convert to fraction form
    4,905.91/7,361.60 = 1,984.44/x
  3. Step 3: Cross multiply
    4,905.91x = 7,361.60 × 1,984.44
  4. Step 4: Simplify right side
    4,905.91x = 14,608,643.58
  5. Step 5: Solve for x
    x = 14,608,643.58/4,905.91
  6. Step 6: Final answer
    x = 2,977.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.