Home / 3,190.38-4,784.36-2,094.45

Finding the Fourth Proportional to 3,190.38, 4,784.36 and 2,094.45

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Solution

The fourth proportional to 3,190.38, 4,784.36 and 2,094.45 is: 3,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.38 : 4,784.36 = 2,094.45 : x
  2. Step 2: Convert to fraction form
    3,190.38/4,784.36 = 2,094.45/x
  3. Step 3: Cross multiply
    3,190.38x = 4,784.36 × 2,094.45
  4. Step 4: Simplify right side
    3,190.38x = 10,020,592.33
  5. Step 5: Solve for x
    x = 10,020,592.33/3,190.38
  6. Step 6: Final answer
    x = 3,140.88

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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.