Home / 5,112.63-7,057.22-3,769.81

Finding the Fourth Proportional to 5,112.63, 7,057.22 and 3,769.81

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Solution

The fourth proportional to 5,112.63, 7,057.22 and 3,769.81 is: 5,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.63 : 7,057.22 = 3,769.81 : x
  2. Step 2: Convert to fraction form
    5,112.63/7,057.22 = 3,769.81/x
  3. Step 3: Cross multiply
    5,112.63x = 7,057.22 × 3,769.81
  4. Step 4: Simplify right side
    5,112.63x = 26,604,342.04
  5. Step 5: Solve for x
    x = 26,604,342.04/5,112.63
  6. Step 6: Final answer
    x = 5,203.65

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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.