Home / 3,935.44-5,419.19-3,848.13

Finding the Fourth Proportional to 3,935.44, 5,419.19 and 3,848.13

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Solution

The fourth proportional to 3,935.44, 5,419.19 and 3,848.13 is: 5,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.44 : 5,419.19 = 3,848.13 : x
  2. Step 2: Convert to fraction form
    3,935.44/5,419.19 = 3,848.13/x
  3. Step 3: Cross multiply
    3,935.44x = 5,419.19 × 3,848.13
  4. Step 4: Simplify right side
    3,935.44x = 20,853,747.61
  5. Step 5: Solve for x
    x = 20,853,747.61/3,935.44
  6. Step 6: Final answer
    x = 5,298.96

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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.