Home / 3,107.80-4,650.18-1,740.76

Finding the Fourth Proportional to 3,107.80, 4,650.18 and 1,740.76

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Solution

The fourth proportional to 3,107.80, 4,650.18 and 1,740.76 is: 2,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.80 : 4,650.18 = 1,740.76 : x
  2. Step 2: Convert to fraction form
    3,107.80/4,650.18 = 1,740.76/x
  3. Step 3: Cross multiply
    3,107.80x = 4,650.18 × 1,740.76
  4. Step 4: Simplify right side
    3,107.80x = 8,094,847.34
  5. Step 5: Solve for x
    x = 8,094,847.34/3,107.80
  6. Step 6: Final answer
    x = 2,604.69

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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.