Home / 5,322.85-7,988.52-2,401.38

Finding the Fourth Proportional to 5,322.85, 7,988.52 and 2,401.38

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Solution

The fourth proportional to 5,322.85, 7,988.52 and 2,401.38 is: 3,603.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.85 : 7,988.52 = 2,401.38 : x
  2. Step 2: Convert to fraction form
    5,322.85/7,988.52 = 2,401.38/x
  3. Step 3: Cross multiply
    5,322.85x = 7,988.52 × 2,401.38
  4. Step 4: Simplify right side
    5,322.85x = 19,183,481.16
  5. Step 5: Solve for x
    x = 19,183,481.16/5,322.85
  6. Step 6: Final answer
    x = 3,603.99

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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.