Home / 4,902.78-6,766.91-3,224.35

Finding the Fourth Proportional to 4,902.78, 6,766.91 and 3,224.35

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Solution

The fourth proportional to 4,902.78, 6,766.91 and 3,224.35 is: 4,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.78 : 6,766.91 = 3,224.35 : x
  2. Step 2: Convert to fraction form
    4,902.78/6,766.91 = 3,224.35/x
  3. Step 3: Cross multiply
    4,902.78x = 6,766.91 × 3,224.35
  4. Step 4: Simplify right side
    4,902.78x = 21,818,886.26
  5. Step 5: Solve for x
    x = 21,818,886.26/4,902.78
  6. Step 6: Final answer
    x = 4,450.31

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1.5x scale

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.