Home / 3,186.84-4,397.69-1,770.62

Finding the Fourth Proportional to 3,186.84, 4,397.69 and 1,770.62

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Solution

The fourth proportional to 3,186.84, 4,397.69 and 1,770.62 is: 2,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.84 : 4,397.69 = 1,770.62 : x
  2. Step 2: Convert to fraction form
    3,186.84/4,397.69 = 1,770.62/x
  3. Step 3: Cross multiply
    3,186.84x = 4,397.69 × 1,770.62
  4. Step 4: Simplify right side
    3,186.84x = 7,786,607.03
  5. Step 5: Solve for x
    x = 7,786,607.03/3,186.84
  6. Step 6: Final answer
    x = 2,443.36

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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.