Home / 2,535.20-3,784.44-2,190.74

Finding the Fourth Proportional to 2,535.20, 3,784.44 and 2,190.74

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Solution

The fourth proportional to 2,535.20, 3,784.44 and 2,190.74 is: 3,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535.20 : 3,784.44 = 2,190.74 : x
  2. Step 2: Convert to fraction form
    2,535.20/3,784.44 = 2,190.74/x
  3. Step 3: Cross multiply
    2,535.20x = 3,784.44 × 2,190.74
  4. Step 4: Simplify right side
    2,535.20x = 8,290,724.09
  5. Step 5: Solve for x
    x = 8,290,724.09/2,535.20
  6. Step 6: Final answer
    x = 3,270.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.