Home / 5,274.36-7,279.20-3,149.46

Finding the Fourth Proportional to 5,274.36, 7,279.20 and 3,149.46

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Solution

The fourth proportional to 5,274.36, 7,279.20 and 3,149.46 is: 4,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.36 : 7,279.20 = 3,149.46 : x
  2. Step 2: Convert to fraction form
    5,274.36/7,279.20 = 3,149.46/x
  3. Step 3: Cross multiply
    5,274.36x = 7,279.20 × 3,149.46
  4. Step 4: Simplify right side
    5,274.36x = 22,925,549.23
  5. Step 5: Solve for x
    x = 22,925,549.23/5,274.36
  6. Step 6: Final answer
    x = 4,346.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.