Home / 6,270.63-8,653.64-3,618.21

Finding the Fourth Proportional to 6,270.63, 8,653.64 and 3,618.21

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Solution

The fourth proportional to 6,270.63, 8,653.64 and 3,618.21 is: 4,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.63 : 8,653.64 = 3,618.21 : x
  2. Step 2: Convert to fraction form
    6,270.63/8,653.64 = 3,618.21/x
  3. Step 3: Cross multiply
    6,270.63x = 8,653.64 × 3,618.21
  4. Step 4: Simplify right side
    6,270.63x = 31,310,668.69
  5. Step 5: Solve for x
    x = 31,310,668.69/6,270.63
  6. Step 6: Final answer
    x = 4,993.23

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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.