Home / 4,707.05-7,057.80-2,755.13

Finding the Fourth Proportional to 4,707.05, 7,057.80 and 2,755.13

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Solution

The fourth proportional to 4,707.05, 7,057.80 and 2,755.13 is: 4,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.05 : 7,057.80 = 2,755.13 : x
  2. Step 2: Convert to fraction form
    4,707.05/7,057.80 = 2,755.13/x
  3. Step 3: Cross multiply
    4,707.05x = 7,057.80 × 2,755.13
  4. Step 4: Simplify right side
    4,707.05x = 19,445,121.23
  5. Step 5: Solve for x
    x = 19,445,121.23/4,707.05
  6. Step 6: Final answer
    x = 4,131.07

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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.