Home / 7,058.20-9,740.34-3,914.44

Finding the Fourth Proportional to 7,058.20, 9,740.34 and 3,914.44

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Solution

The fourth proportional to 7,058.20, 9,740.34 and 3,914.44 is: 5,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.20 : 9,740.34 = 3,914.44 : x
  2. Step 2: Convert to fraction form
    7,058.20/9,740.34 = 3,914.44/x
  3. Step 3: Cross multiply
    7,058.20x = 9,740.34 × 3,914.44
  4. Step 4: Simplify right side
    7,058.20x = 38,127,976.51
  5. Step 5: Solve for x
    x = 38,127,976.51/7,058.20
  6. Step 6: Final answer
    x = 5,401.94

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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.