Home / 5,057.54-6,976.81-3,378.41

Finding the Fourth Proportional to 5,057.54, 6,976.81 and 3,378.41

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Solution

The fourth proportional to 5,057.54, 6,976.81 and 3,378.41 is: 4,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.54 : 6,976.81 = 3,378.41 : x
  2. Step 2: Convert to fraction form
    5,057.54/6,976.81 = 3,378.41/x
  3. Step 3: Cross multiply
    5,057.54x = 6,976.81 × 3,378.41
  4. Step 4: Simplify right side
    5,057.54x = 23,570,546.34
  5. Step 5: Solve for x
    x = 23,570,546.34/5,057.54
  6. Step 6: Final answer
    x = 4,660.47

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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.