Home / 3,200.27-4,412.09-2,400.19

Finding the Fourth Proportional to 3,200.27, 4,412.09 and 2,400.19

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Solution

The fourth proportional to 3,200.27, 4,412.09 and 2,400.19 is: 3,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.27 : 4,412.09 = 2,400.19 : x
  2. Step 2: Convert to fraction form
    3,200.27/4,412.09 = 2,400.19/x
  3. Step 3: Cross multiply
    3,200.27x = 4,412.09 × 2,400.19
  4. Step 4: Simplify right side
    3,200.27x = 10,589,849.27
  5. Step 5: Solve for x
    x = 10,589,849.27/3,200.27
  6. Step 6: Final answer
    x = 3,309.05

Related Problems

Find fourth proportional to 1,600.13, 2,206.05 and 1,200.09
Half scale
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Double scale
Find fourth proportional to 3,201.27, 4,413.47 and 2,401.19
Similar ratio
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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.