Home / 5,325.00-7,991.60-2,405.35

Finding the Fourth Proportional to 5,325.00, 7,991.60 and 2,405.35

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Solution

The fourth proportional to 5,325.00, 7,991.60 and 2,405.35 is: 3,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.00 : 7,991.60 = 2,405.35 : x
  2. Step 2: Convert to fraction form
    5,325.00/7,991.60 = 2,405.35/x
  3. Step 3: Cross multiply
    5,325.00x = 7,991.60 × 2,405.35
  4. Step 4: Simplify right side
    5,325.00x = 19,222,593.02
  5. Step 5: Solve for x
    x = 19,222,593.02/5,325.00
  6. Step 6: Final answer
    x = 3,609.88

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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.