Home / 4,967.45-7,450.67-1,680.49

Finding the Fourth Proportional to 4,967.45, 7,450.67 and 1,680.49

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Solution

The fourth proportional to 4,967.45, 7,450.67 and 1,680.49 is: 2,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.45 : 7,450.67 = 1,680.49 : x
  2. Step 2: Convert to fraction form
    4,967.45/7,450.67 = 1,680.49/x
  3. Step 3: Cross multiply
    4,967.45x = 7,450.67 × 1,680.49
  4. Step 4: Simplify right side
    4,967.45x = 12,520,762.00
  5. Step 5: Solve for x
    x = 12,520,762.00/4,967.45
  6. Step 6: Final answer
    x = 2,520.56

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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.