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Finding the Fourth Proportional to 2,832.94, 3,908.86 and 1,653.48

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Solution

The fourth proportional to 2,832.94, 3,908.86 and 1,653.48 is: 2,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.94 : 3,908.86 = 1,653.48 : x
  2. Step 2: Convert to fraction form
    2,832.94/3,908.86 = 1,653.48/x
  3. Step 3: Cross multiply
    2,832.94x = 3,908.86 × 1,653.48
  4. Step 4: Simplify right side
    2,832.94x = 6,463,217.70
  5. Step 5: Solve for x
    x = 6,463,217.70/2,832.94
  6. Step 6: Final answer
    x = 2,281.45

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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.