Home / 5,124.44-7,680.58-2,348.78

Finding the Fourth Proportional to 5,124.44, 7,680.58 and 2,348.78

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Solution

The fourth proportional to 5,124.44, 7,680.58 and 2,348.78 is: 3,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.44 : 7,680.58 = 2,348.78 : x
  2. Step 2: Convert to fraction form
    5,124.44/7,680.58 = 2,348.78/x
  3. Step 3: Cross multiply
    5,124.44x = 7,680.58 × 2,348.78
  4. Step 4: Simplify right side
    5,124.44x = 18,039,992.69
  5. Step 5: Solve for x
    x = 18,039,992.69/5,124.44
  6. Step 6: Final answer
    x = 3,520.38

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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.