Home / 3,464.37-4,780.83-1,972.77

Finding the Fourth Proportional to 3,464.37, 4,780.83 and 1,972.77

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Solution

The fourth proportional to 3,464.37, 4,780.83 and 1,972.77 is: 2,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.37 : 4,780.83 = 1,972.77 : x
  2. Step 2: Convert to fraction form
    3,464.37/4,780.83 = 1,972.77/x
  3. Step 3: Cross multiply
    3,464.37x = 4,780.83 × 1,972.77
  4. Step 4: Simplify right side
    3,464.37x = 9,431,478.00
  5. Step 5: Solve for x
    x = 9,431,478.00/3,464.37
  6. Step 6: Final answer
    x = 2,722.42

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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.