Home / 3,546.36-5,320.74-1,571.72

Finding the Fourth Proportional to 3,546.36, 5,320.74 and 1,571.72

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Solution

The fourth proportional to 3,546.36, 5,320.74 and 1,571.72 is: 2,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.36 : 5,320.74 = 1,571.72 : x
  2. Step 2: Convert to fraction form
    3,546.36/5,320.74 = 1,571.72/x
  3. Step 3: Cross multiply
    3,546.36x = 5,320.74 × 1,571.72
  4. Step 4: Simplify right side
    3,546.36x = 8,362,694.28
  5. Step 5: Solve for x
    x = 8,362,694.28/3,546.36
  6. Step 6: Final answer
    x = 2,358.11

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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.