Home / 4,191.20-5,783.42-2,512.56

Finding the Fourth Proportional to 4,191.20, 5,783.42 and 2,512.56

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Solution

The fourth proportional to 4,191.20, 5,783.42 and 2,512.56 is: 3,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.20 : 5,783.42 = 2,512.56 : x
  2. Step 2: Convert to fraction form
    4,191.20/5,783.42 = 2,512.56/x
  3. Step 3: Cross multiply
    4,191.20x = 5,783.42 × 2,512.56
  4. Step 4: Simplify right side
    4,191.20x = 14,531,189.76
  5. Step 5: Solve for x
    x = 14,531,189.76/4,191.20
  6. Step 6: Final answer
    x = 3,467.07

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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.