Home / 3,175.20-4,380.71-1,848.62

Finding the Fourth Proportional to 3,175.20, 4,380.71 and 1,848.62

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Solution

The fourth proportional to 3,175.20, 4,380.71 and 1,848.62 is: 2,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.20 : 4,380.71 = 1,848.62 : x
  2. Step 2: Convert to fraction form
    3,175.20/4,380.71 = 1,848.62/x
  3. Step 3: Cross multiply
    3,175.20x = 4,380.71 × 1,848.62
  4. Step 4: Simplify right side
    3,175.20x = 8,098,268.12
  5. Step 5: Solve for x
    x = 8,098,268.12/3,175.20
  6. Step 6: Final answer
    x = 2,550.47

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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.