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Finding the Fourth Proportional to 3,756.46, 5,184.54 and 2,185.46

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Solution

The fourth proportional to 3,756.46, 5,184.54 and 2,185.46 is: 3,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.46 : 5,184.54 = 2,185.46 : x
  2. Step 2: Convert to fraction form
    3,756.46/5,184.54 = 2,185.46/x
  3. Step 3: Cross multiply
    3,756.46x = 5,184.54 × 2,185.46
  4. Step 4: Simplify right side
    3,756.46x = 11,330,593.86
  5. Step 5: Solve for x
    x = 11,330,593.86/3,756.46
  6. Step 6: Final answer
    x = 3,016.30

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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.