Home / 4,964.20-7,438.20-4,267.60

Finding the Fourth Proportional to 4,964.20, 7,438.20 and 4,267.60

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Solution

The fourth proportional to 4,964.20, 7,438.20 and 4,267.60 is: 6,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.20 : 7,438.20 = 4,267.60 : x
  2. Step 2: Convert to fraction form
    4,964.20/7,438.20 = 4,267.60/x
  3. Step 3: Cross multiply
    4,964.20x = 7,438.20 × 4,267.60
  4. Step 4: Simplify right side
    4,964.20x = 31,743,262.32
  5. Step 5: Solve for x
    x = 31,743,262.32/4,964.20
  6. Step 6: Final answer
    x = 6,394.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.