Home / 2,832.42-3,908.74-1,573.60

Finding the Fourth Proportional to 2,832.42, 3,908.74 and 1,573.60

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Solution

The fourth proportional to 2,832.42, 3,908.74 and 1,573.60 is: 2,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.42 : 3,908.74 = 1,573.60 : x
  2. Step 2: Convert to fraction form
    2,832.42/3,908.74 = 1,573.60/x
  3. Step 3: Cross multiply
    2,832.42x = 3,908.74 × 1,573.60
  4. Step 4: Simplify right side
    2,832.42x = 6,150,775.69
  5. Step 5: Solve for x
    x = 6,150,775.69/2,832.42
  6. Step 6: Final answer
    x = 2,171.56

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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.