Home / 4,739.12-7,109.96-1,817.68

Finding the Fourth Proportional to 4,739.12, 7,109.96 and 1,817.68

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Solution

The fourth proportional to 4,739.12, 7,109.96 and 1,817.68 is: 2,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.12 : 7,109.96 = 1,817.68 : x
  2. Step 2: Convert to fraction form
    4,739.12/7,109.96 = 1,817.68/x
  3. Step 3: Cross multiply
    4,739.12x = 7,109.96 × 1,817.68
  4. Step 4: Simplify right side
    4,739.12x = 12,923,632.09
  5. Step 5: Solve for x
    x = 12,923,632.09/4,739.12
  6. Step 6: Final answer
    x = 2,727.01

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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.