Home / 4,904.92-7,342.80-3,928.06

Finding the Fourth Proportional to 4,904.92, 7,342.80 and 3,928.06

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Solution

The fourth proportional to 4,904.92, 7,342.80 and 3,928.06 is: 5,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.92 : 7,342.80 = 3,928.06 : x
  2. Step 2: Convert to fraction form
    4,904.92/7,342.80 = 3,928.06/x
  3. Step 3: Cross multiply
    4,904.92x = 7,342.80 × 3,928.06
  4. Step 4: Simplify right side
    4,904.92x = 28,842,958.97
  5. Step 5: Solve for x
    x = 28,842,958.97/4,904.92
  6. Step 6: Final answer
    x = 5,880.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.