Home / 2,271.70-3,136.48-1,674.26

Finding the Fourth Proportional to 2,271.70, 3,136.48 and 1,674.26

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Solution

The fourth proportional to 2,271.70, 3,136.48 and 1,674.26 is: 2,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.70 : 3,136.48 = 1,674.26 : x
  2. Step 2: Convert to fraction form
    2,271.70/3,136.48 = 1,674.26/x
  3. Step 3: Cross multiply
    2,271.70x = 3,136.48 × 1,674.26
  4. Step 4: Simplify right side
    2,271.70x = 5,251,282.26
  5. Step 5: Solve for x
    x = 5,251,282.26/2,271.70
  6. Step 6: Final answer
    x = 2,311.61

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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.