Home / 3,186.71-4,776.46-1,623.41

Finding the Fourth Proportional to 3,186.71, 4,776.46 and 1,623.41

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Solution

The fourth proportional to 3,186.71, 4,776.46 and 1,623.41 is: 2,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.71 : 4,776.46 = 1,623.41 : x
  2. Step 2: Convert to fraction form
    3,186.71/4,776.46 = 1,623.41/x
  3. Step 3: Cross multiply
    3,186.71x = 4,776.46 × 1,623.41
  4. Step 4: Simplify right side
    3,186.71x = 7,754,152.93
  5. Step 5: Solve for x
    x = 7,754,152.93/3,186.71
  6. Step 6: Final answer
    x = 2,433.28

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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.