Home / 2,933.60-4,400.40-1,896.80

Finding the Fourth Proportional to 2,933.60, 4,400.40 and 1,896.80

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Solution

The fourth proportional to 2,933.60, 4,400.40 and 1,896.80 is: 2,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.60 : 4,400.40 = 1,896.80 : x
  2. Step 2: Convert to fraction form
    2,933.60/4,400.40 = 1,896.80/x
  3. Step 3: Cross multiply
    2,933.60x = 4,400.40 × 1,896.80
  4. Step 4: Simplify right side
    2,933.60x = 8,346,678.72
  5. Step 5: Solve for x
    x = 8,346,678.72/2,933.60
  6. Step 6: Final answer
    x = 2,845.20

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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.