Home / 4,974.90-7,450.20-2,374.80

Finding the Fourth Proportional to 4,974.90, 7,450.20 and 2,374.80

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Solution

The fourth proportional to 4,974.90, 7,450.20 and 2,374.80 is: 3,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.90 : 7,450.20 = 2,374.80 : x
  2. Step 2: Convert to fraction form
    4,974.90/7,450.20 = 2,374.80/x
  3. Step 3: Cross multiply
    4,974.90x = 7,450.20 × 2,374.80
  4. Step 4: Simplify right side
    4,974.90x = 17,692,734.96
  5. Step 5: Solve for x
    x = 17,692,734.96/4,974.90
  6. Step 6: Final answer
    x = 3,556.40

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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.