Home / 4,900.62-7,351.39-1,613.72

Finding the Fourth Proportional to 4,900.62, 7,351.39 and 1,613.72

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Solution

The fourth proportional to 4,900.62, 7,351.39 and 1,613.72 is: 2,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.62 : 7,351.39 = 1,613.72 : x
  2. Step 2: Convert to fraction form
    4,900.62/7,351.39 = 1,613.72/x
  3. Step 3: Cross multiply
    4,900.62x = 7,351.39 × 1,613.72
  4. Step 4: Simplify right side
    4,900.62x = 11,863,085.07
  5. Step 5: Solve for x
    x = 11,863,085.07/4,900.62
  6. Step 6: Final answer
    x = 2,420.73

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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.