Home / 4,548.70-6,809.79-2,668.90

Finding the Fourth Proportional to 4,548.70, 6,809.79 and 2,668.90

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Solution

The fourth proportional to 4,548.70, 6,809.79 and 2,668.90 is: 3,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.70 : 6,809.79 = 2,668.90 : x
  2. Step 2: Convert to fraction form
    4,548.70/6,809.79 = 2,668.90/x
  3. Step 3: Cross multiply
    4,548.70x = 6,809.79 × 2,668.90
  4. Step 4: Simplify right side
    4,548.70x = 18,174,648.53
  5. Step 5: Solve for x
    x = 18,174,648.53/4,548.70
  6. Step 6: Final answer
    x = 3,995.57

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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.