Home / 5,021.62-7,528.29-2,388.08

Finding the Fourth Proportional to 5,021.62, 7,528.29 and 2,388.08

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Solution

The fourth proportional to 5,021.62, 7,528.29 and 2,388.08 is: 3,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.62 : 7,528.29 = 2,388.08 : x
  2. Step 2: Convert to fraction form
    5,021.62/7,528.29 = 2,388.08/x
  3. Step 3: Cross multiply
    5,021.62x = 7,528.29 × 2,388.08
  4. Step 4: Simplify right side
    5,021.62x = 17,978,158.78
  5. Step 5: Solve for x
    x = 17,978,158.78/5,021.62
  6. Step 6: Final answer
    x = 3,580.15

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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.