Home / 4,912.54-6,777.35-2,922.37

Finding the Fourth Proportional to 4,912.54, 6,777.35 and 2,922.37

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Solution

The fourth proportional to 4,912.54, 6,777.35 and 2,922.37 is: 4,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.54 : 6,777.35 = 2,922.37 : x
  2. Step 2: Convert to fraction form
    4,912.54/6,777.35 = 2,922.37/x
  3. Step 3: Cross multiply
    4,912.54x = 6,777.35 × 2,922.37
  4. Step 4: Simplify right side
    4,912.54x = 19,805,909.71
  5. Step 5: Solve for x
    x = 19,805,909.71/4,912.54
  6. Step 6: Final answer
    x = 4,031.70

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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.