Home / 4,918.04-7,379.26-2,609

Finding the Fourth Proportional to 4,918.04, 7,379.26 and 2,609

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Solution

The fourth proportional to 4,918.04, 7,379.26 and 2,609 is: 3,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.04 : 7,379.26 = 2,609 : x
  2. Step 2: Convert to fraction form
    4,918.04/7,379.26 = 2,609/x
  3. Step 3: Cross multiply
    4,918.04x = 7,379.26 × 2,609
  4. Step 4: Simplify right side
    4,918.04x = 19,252,489.34
  5. Step 5: Solve for x
    x = 19,252,489.34/4,918.04
  6. Step 6: Final answer
    x = 3,914.67

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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.