Home / 4,902.42-7,351.40-2,928.92

Finding the Fourth Proportional to 4,902.42, 7,351.40 and 2,928.92

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Solution

The fourth proportional to 4,902.42, 7,351.40 and 2,928.92 is: 4,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.42 : 7,351.40 = 2,928.92 : x
  2. Step 2: Convert to fraction form
    4,902.42/7,351.40 = 2,928.92/x
  3. Step 3: Cross multiply
    4,902.42x = 7,351.40 × 2,928.92
  4. Step 4: Simplify right side
    4,902.42x = 21,531,662.49
  5. Step 5: Solve for x
    x = 21,531,662.49/4,902.42
  6. Step 6: Final answer
    x = 4,392.05

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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.