Home / 6,629.08-9,144.84-3,975.88

Finding the Fourth Proportional to 6,629.08, 9,144.84 and 3,975.88

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Solution

The fourth proportional to 6,629.08, 9,144.84 and 3,975.88 is: 5,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.08 : 9,144.84 = 3,975.88 : x
  2. Step 2: Convert to fraction form
    6,629.08/9,144.84 = 3,975.88/x
  3. Step 3: Cross multiply
    6,629.08x = 9,144.84 × 3,975.88
  4. Step 4: Simplify right side
    6,629.08x = 36,358,786.46
  5. Step 5: Solve for x
    x = 36,358,786.46/6,629.08
  6. Step 6: Final answer
    x = 5,484.74

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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.