Home / 3,174.45-4,380.90-1,848.48

Finding the Fourth Proportional to 3,174.45, 4,380.90 and 1,848.48

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Solution

The fourth proportional to 3,174.45, 4,380.90 and 1,848.48 is: 2,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.45 : 4,380.90 = 1,848.48 : x
  2. Step 2: Convert to fraction form
    3,174.45/4,380.90 = 1,848.48/x
  3. Step 3: Cross multiply
    3,174.45x = 4,380.90 × 1,848.48
  4. Step 4: Simplify right side
    3,174.45x = 8,098,006.03
  5. Step 5: Solve for x
    x = 8,098,006.03/3,174.45
  6. Step 6: Final answer
    x = 2,550.99

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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.