Home / 4,190.38-5,783.52-2,774.08

Finding the Fourth Proportional to 4,190.38, 5,783.52 and 2,774.08

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Solution

The fourth proportional to 4,190.38, 5,783.52 and 2,774.08 is: 3,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.38 : 5,783.52 = 2,774.08 : x
  2. Step 2: Convert to fraction form
    4,190.38/5,783.52 = 2,774.08/x
  3. Step 3: Cross multiply
    4,190.38x = 5,783.52 × 2,774.08
  4. Step 4: Simplify right side
    4,190.38x = 16,043,947.16
  5. Step 5: Solve for x
    x = 16,043,947.16/4,190.38
  6. Step 6: Final answer
    x = 3,828.76

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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.