Home / 7,308.90-10,964.26-2,379.06

Finding the Fourth Proportional to 7,308.90, 10,964.26 and 2,379.06

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Solution

The fourth proportional to 7,308.90, 10,964.26 and 2,379.06 is: 3,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.90 : 10,964.26 = 2,379.06 : x
  2. Step 2: Convert to fraction form
    7,308.90/10,964.26 = 2,379.06/x
  3. Step 3: Cross multiply
    7,308.90x = 10,964.26 × 2,379.06
  4. Step 4: Simplify right side
    7,308.90x = 26,084,632.40
  5. Step 5: Solve for x
    x = 26,084,632.40/7,308.90
  6. Step 6: Final answer
    x = 3,568.89

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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.