Home / 6,739.60-10,109.70-2,297.20

Finding the Fourth Proportional to 6,739.60, 10,109.70 and 2,297.20

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Solution

The fourth proportional to 6,739.60, 10,109.70 and 2,297.20 is: 3,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.60 : 10,109.70 = 2,297.20 : x
  2. Step 2: Convert to fraction form
    6,739.60/10,109.70 = 2,297.20/x
  3. Step 3: Cross multiply
    6,739.60x = 10,109.70 × 2,297.20
  4. Step 4: Simplify right side
    6,739.60x = 23,224,002.84
  5. Step 5: Solve for x
    x = 23,224,002.84/6,739.60
  6. Step 6: Final answer
    x = 3,445.90

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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.