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Finding the Fourth Proportional to 3,713.63, 5,124.81 and 2,057.63

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Solution

The fourth proportional to 3,713.63, 5,124.81 and 2,057.63 is: 2,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.63 : 5,124.81 = 2,057.63 : x
  2. Step 2: Convert to fraction form
    3,713.63/5,124.81 = 2,057.63/x
  3. Step 3: Cross multiply
    3,713.63x = 5,124.81 × 2,057.63
  4. Step 4: Simplify right side
    3,713.63x = 10,544,937.18
  5. Step 5: Solve for x
    x = 10,544,937.18/3,713.63
  6. Step 6: Final answer
    x = 2,839.53

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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.