Home / 5,109.60-7,058.01-3,790.11

Finding the Fourth Proportional to 5,109.60, 7,058.01 and 3,790.11

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Solution

The fourth proportional to 5,109.60, 7,058.01 and 3,790.11 is: 5,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.60 : 7,058.01 = 3,790.11 : x
  2. Step 2: Convert to fraction form
    5,109.60/7,058.01 = 3,790.11/x
  3. Step 3: Cross multiply
    5,109.60x = 7,058.01 × 3,790.11
  4. Step 4: Simplify right side
    5,109.60x = 26,750,634.28
  5. Step 5: Solve for x
    x = 26,750,634.28/5,109.60
  6. Step 6: Final answer
    x = 5,235.37

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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.