Home / 4,908.80-7,370.60-4,222.94

Finding the Fourth Proportional to 4,908.80, 7,370.60 and 4,222.94

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Solution

The fourth proportional to 4,908.80, 7,370.60 and 4,222.94 is: 6,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.80 : 7,370.60 = 4,222.94 : x
  2. Step 2: Convert to fraction form
    4,908.80/7,370.60 = 4,222.94/x
  3. Step 3: Cross multiply
    4,908.80x = 7,370.60 × 4,222.94
  4. Step 4: Simplify right side
    4,908.80x = 31,125,543.60
  5. Step 5: Solve for x
    x = 31,125,543.60/4,908.80
  6. Step 6: Final answer
    x = 6,340.76

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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.