Home / 4,743.84-7,112.25-2,276.31

Finding the Fourth Proportional to 4,743.84, 7,112.25 and 2,276.31

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Solution

The fourth proportional to 4,743.84, 7,112.25 and 2,276.31 is: 3,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.84 : 7,112.25 = 2,276.31 : x
  2. Step 2: Convert to fraction form
    4,743.84/7,112.25 = 2,276.31/x
  3. Step 3: Cross multiply
    4,743.84x = 7,112.25 × 2,276.31
  4. Step 4: Simplify right side
    4,743.84x = 16,189,685.80
  5. Step 5: Solve for x
    x = 16,189,685.80/4,743.84
  6. Step 6: Final answer
    x = 3,412.78

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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.