Home / 2,772.07-4,159.91-1,474.45

Finding the Fourth Proportional to 2,772.07, 4,159.91 and 1,474.45

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Solution

The fourth proportional to 2,772.07, 4,159.91 and 1,474.45 is: 2,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.07 : 4,159.91 = 1,474.45 : x
  2. Step 2: Convert to fraction form
    2,772.07/4,159.91 = 1,474.45/x
  3. Step 3: Cross multiply
    2,772.07x = 4,159.91 × 1,474.45
  4. Step 4: Simplify right side
    2,772.07x = 6,133,579.30
  5. Step 5: Solve for x
    x = 6,133,579.30/2,772.07
  6. Step 6: Final answer
    x = 2,212.64

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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.