Home / 3,455.14-4,768.21-1,962.97

Finding the Fourth Proportional to 3,455.14, 4,768.21 and 1,962.97

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Solution

The fourth proportional to 3,455.14, 4,768.21 and 1,962.97 is: 2,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.14 : 4,768.21 = 1,962.97 : x
  2. Step 2: Convert to fraction form
    3,455.14/4,768.21 = 1,962.97/x
  3. Step 3: Cross multiply
    3,455.14x = 4,768.21 × 1,962.97
  4. Step 4: Simplify right side
    3,455.14x = 9,359,848.28
  5. Step 5: Solve for x
    x = 9,359,848.28/3,455.14
  6. Step 6: Final answer
    x = 2,708.96

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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.