Home / 5,101.51-7,637.41-3,791.08

Finding the Fourth Proportional to 5,101.51, 7,637.41 and 3,791.08

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Solution

The fourth proportional to 5,101.51, 7,637.41 and 3,791.08 is: 5,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.51 : 7,637.41 = 3,791.08 : x
  2. Step 2: Convert to fraction form
    5,101.51/7,637.41 = 3,791.08/x
  3. Step 3: Cross multiply
    5,101.51x = 7,637.41 × 3,791.08
  4. Step 4: Simplify right side
    5,101.51x = 28,953,975.16
  5. Step 5: Solve for x
    x = 28,953,975.16/5,101.51
  6. Step 6: Final answer
    x = 5,675.57

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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.