Home / 5,309.20-7,958.76-2,674.96

Finding the Fourth Proportional to 5,309.20, 7,958.76 and 2,674.96

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Solution

The fourth proportional to 5,309.20, 7,958.76 and 2,674.96 is: 4,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.20 : 7,958.76 = 2,674.96 : x
  2. Step 2: Convert to fraction form
    5,309.20/7,958.76 = 2,674.96/x
  3. Step 3: Cross multiply
    5,309.20x = 7,958.76 × 2,674.96
  4. Step 4: Simplify right side
    5,309.20x = 21,289,364.65
  5. Step 5: Solve for x
    x = 21,289,364.65/5,309.20
  6. Step 6: Final answer
    x = 4,009.90

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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.