Home / 4,515.32-6,780.28-3,404.82

Finding the Fourth Proportional to 4,515.32, 6,780.28 and 3,404.82

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Solution

The fourth proportional to 4,515.32, 6,780.28 and 3,404.82 is: 5,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.32 : 6,780.28 = 3,404.82 : x
  2. Step 2: Convert to fraction form
    4,515.32/6,780.28 = 3,404.82/x
  3. Step 3: Cross multiply
    4,515.32x = 6,780.28 × 3,404.82
  4. Step 4: Simplify right side
    4,515.32x = 23,085,632.95
  5. Step 5: Solve for x
    x = 23,085,632.95/4,515.32
  6. Step 6: Final answer
    x = 5,112.73

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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.