Home / 4,313.20-6,469.80-3,996.40

Finding the Fourth Proportional to 4,313.20, 6,469.80 and 3,996.40

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Solution

The fourth proportional to 4,313.20, 6,469.80 and 3,996.40 is: 5,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.20 : 6,469.80 = 3,996.40 : x
  2. Step 2: Convert to fraction form
    4,313.20/6,469.80 = 3,996.40/x
  3. Step 3: Cross multiply
    4,313.20x = 6,469.80 × 3,996.40
  4. Step 4: Simplify right side
    4,313.20x = 25,855,908.72
  5. Step 5: Solve for x
    x = 25,855,908.72/4,313.20
  6. Step 6: Final answer
    x = 5,994.60

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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.