Home / 4,972.72-7,450.44-2,660.08

Finding the Fourth Proportional to 4,972.72, 7,450.44 and 2,660.08

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Solution

The fourth proportional to 4,972.72, 7,450.44 and 2,660.08 is: 3,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.72 : 7,450.44 = 2,660.08 : x
  2. Step 2: Convert to fraction form
    4,972.72/7,450.44 = 2,660.08/x
  3. Step 3: Cross multiply
    4,972.72x = 7,450.44 × 2,660.08
  4. Step 4: Simplify right side
    4,972.72x = 19,818,766.44
  5. Step 5: Solve for x
    x = 19,818,766.44/4,972.72
  6. Step 6: Final answer
    x = 3,985.50

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1.5x scale

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.