Home / 7,802.09-11,698.46-3,580.06

Finding the Fourth Proportional to 7,802.09, 11,698.46 and 3,580.06

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Solution

The fourth proportional to 7,802.09, 11,698.46 and 3,580.06 is: 5,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.09 : 11,698.46 = 3,580.06 : x
  2. Step 2: Convert to fraction form
    7,802.09/11,698.46 = 3,580.06/x
  3. Step 3: Cross multiply
    7,802.09x = 11,698.46 × 3,580.06
  4. Step 4: Simplify right side
    7,802.09x = 41,881,130.22
  5. Step 5: Solve for x
    x = 41,881,130.22/7,802.09
  6. Step 6: Final answer
    x = 5,367.94

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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.