Home / 7,327.02-10,990.80-2,133.30

Finding the Fourth Proportional to 7,327.02, 10,990.80 and 2,133.30

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Solution

The fourth proportional to 7,327.02, 10,990.80 and 2,133.30 is: 3,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.02 : 10,990.80 = 2,133.30 : x
  2. Step 2: Convert to fraction form
    7,327.02/10,990.80 = 2,133.30/x
  3. Step 3: Cross multiply
    7,327.02x = 10,990.80 × 2,133.30
  4. Step 4: Simplify right side
    7,327.02x = 23,446,673.64
  5. Step 5: Solve for x
    x = 23,446,673.64/7,327.02
  6. Step 6: Final answer
    x = 3,200.03

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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.