Home / 3,967.40-5,954.98-3,313.46

Finding the Fourth Proportional to 3,967.40, 5,954.98 and 3,313.46

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Solution

The fourth proportional to 3,967.40, 5,954.98 and 3,313.46 is: 4,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.40 : 5,954.98 = 3,313.46 : x
  2. Step 2: Convert to fraction form
    3,967.40/5,954.98 = 3,313.46/x
  3. Step 3: Cross multiply
    3,967.40x = 5,954.98 × 3,313.46
  4. Step 4: Simplify right side
    3,967.40x = 19,731,588.03
  5. Step 5: Solve for x
    x = 19,731,588.03/3,967.40
  6. Step 6: Final answer
    x = 4,973.43

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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.