Home / 4,914-7,373.16-3,609.36

Finding the Fourth Proportional to 4,914, 7,373.16 and 3,609.36

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Solution

The fourth proportional to 4,914, 7,373.16 and 3,609.36 is: 5,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914 : 7,373.16 = 3,609.36 : x
  2. Step 2: Convert to fraction form
    4,914/7,373.16 = 3,609.36/x
  3. Step 3: Cross multiply
    4,914x = 7,373.16 × 3,609.36
  4. Step 4: Simplify right side
    4,914x = 26,612,388.78
  5. Step 5: Solve for x
    x = 26,612,388.78/4,914
  6. Step 6: Final answer
    x = 5,415.63

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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.