Home / 3,186.41-4,396.75-1,823.58

Finding the Fourth Proportional to 3,186.41, 4,396.75 and 1,823.58

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Solution

The fourth proportional to 3,186.41, 4,396.75 and 1,823.58 is: 2,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.41 : 4,396.75 = 1,823.58 : x
  2. Step 2: Convert to fraction form
    3,186.41/4,396.75 = 1,823.58/x
  3. Step 3: Cross multiply
    3,186.41x = 4,396.75 × 1,823.58
  4. Step 4: Simplify right side
    3,186.41x = 8,017,820.81
  5. Step 5: Solve for x
    x = 8,017,820.81/3,186.41
  6. Step 6: Final answer
    x = 2,516.26

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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.