Home / 6,170.69-8,515.66-3,518.15

Finding the Fourth Proportional to 6,170.69, 8,515.66 and 3,518.15

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Solution

The fourth proportional to 6,170.69, 8,515.66 and 3,518.15 is: 4,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.69 : 8,515.66 = 3,518.15 : x
  2. Step 2: Convert to fraction form
    6,170.69/8,515.66 = 3,518.15/x
  3. Step 3: Cross multiply
    6,170.69x = 8,515.66 × 3,518.15
  4. Step 4: Simplify right side
    6,170.69x = 29,959,326.65
  5. Step 5: Solve for x
    x = 29,959,326.65/6,170.69
  6. Step 6: Final answer
    x = 4,855.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.