Home / 4,979.68-7,474.14-2,516.23

Finding the Fourth Proportional to 4,979.68, 7,474.14 and 2,516.23

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Solution

The fourth proportional to 4,979.68, 7,474.14 and 2,516.23 is: 3,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.68 : 7,474.14 = 2,516.23 : x
  2. Step 2: Convert to fraction form
    4,979.68/7,474.14 = 2,516.23/x
  3. Step 3: Cross multiply
    4,979.68x = 7,474.14 × 2,516.23
  4. Step 4: Simplify right side
    4,979.68x = 18,806,622.49
  5. Step 5: Solve for x
    x = 18,806,622.49/4,979.68
  6. Step 6: Final answer
    x = 3,776.67

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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.