Home / 6,170.66-8,515.14-3,518.36

Finding the Fourth Proportional to 6,170.66, 8,515.14 and 3,518.36

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Solution

The fourth proportional to 6,170.66, 8,515.14 and 3,518.36 is: 4,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.66 : 8,515.14 = 3,518.36 : x
  2. Step 2: Convert to fraction form
    6,170.66/8,515.14 = 3,518.36/x
  3. Step 3: Cross multiply
    6,170.66x = 8,515.14 × 3,518.36
  4. Step 4: Simplify right side
    6,170.66x = 29,959,327.97
  5. Step 5: Solve for x
    x = 29,959,327.97/6,170.66
  6. Step 6: Final answer
    x = 4,855.13

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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.