Home / 6,630.20-9,148.80-3,797.24

Finding the Fourth Proportional to 6,630.20, 9,148.80 and 3,797.24

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Solution

The fourth proportional to 6,630.20, 9,148.80 and 3,797.24 is: 5,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.20 : 9,148.80 = 3,797.24 : x
  2. Step 2: Convert to fraction form
    6,630.20/9,148.80 = 3,797.24/x
  3. Step 3: Cross multiply
    6,630.20x = 9,148.80 × 3,797.24
  4. Step 4: Simplify right side
    6,630.20x = 34,740,189.31
  5. Step 5: Solve for x
    x = 34,740,189.31/6,630.20
  6. Step 6: Final answer
    x = 5,239.69

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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.