Home / 6,938.58-10,412.88-2,722.44

Finding the Fourth Proportional to 6,938.58, 10,412.88 and 2,722.44

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Solution

The fourth proportional to 6,938.58, 10,412.88 and 2,722.44 is: 4,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.58 : 10,412.88 = 2,722.44 : x
  2. Step 2: Convert to fraction form
    6,938.58/10,412.88 = 2,722.44/x
  3. Step 3: Cross multiply
    6,938.58x = 10,412.88 × 2,722.44
  4. Step 4: Simplify right side
    6,938.58x = 28,348,441.03
  5. Step 5: Solve for x
    x = 28,348,441.03/6,938.58
  6. Step 6: Final answer
    x = 4,085.63

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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.