Home / 7,322.42-10,982.46-2,127.08

Finding the Fourth Proportional to 7,322.42, 10,982.46 and 2,127.08

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Solution

The fourth proportional to 7,322.42, 10,982.46 and 2,127.08 is: 3,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.42 : 10,982.46 = 2,127.08 : x
  2. Step 2: Convert to fraction form
    7,322.42/10,982.46 = 2,127.08/x
  3. Step 3: Cross multiply
    7,322.42x = 10,982.46 × 2,127.08
  4. Step 4: Simplify right side
    7,322.42x = 23,360,571.02
  5. Step 5: Solve for x
    x = 23,360,571.02/7,322.42
  6. Step 6: Final answer
    x = 3,190.28

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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.