Home / 5,213.85-7,195.14-2,975.82

Finding the Fourth Proportional to 5,213.85, 7,195.14 and 2,975.82

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Solution

The fourth proportional to 5,213.85, 7,195.14 and 2,975.82 is: 4,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.85 : 7,195.14 = 2,975.82 : x
  2. Step 2: Convert to fraction form
    5,213.85/7,195.14 = 2,975.82/x
  3. Step 3: Cross multiply
    5,213.85x = 7,195.14 × 2,975.82
  4. Step 4: Simplify right side
    5,213.85x = 21,411,441.51
  5. Step 5: Solve for x
    x = 21,411,441.51/5,213.85
  6. Step 6: Final answer
    x = 4,106.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.