Home / 3,791.49-5,230.78-2,374.60

Finding the Fourth Proportional to 3,791.49, 5,230.78 and 2,374.60

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Solution

The fourth proportional to 3,791.49, 5,230.78 and 2,374.60 is: 3,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.49 : 5,230.78 = 2,374.60 : x
  2. Step 2: Convert to fraction form
    3,791.49/5,230.78 = 2,374.60/x
  3. Step 3: Cross multiply
    3,791.49x = 5,230.78 × 2,374.60
  4. Step 4: Simplify right side
    3,791.49x = 12,421,010.19
  5. Step 5: Solve for x
    x = 12,421,010.19/3,791.49
  6. Step 6: Final answer
    x = 3,276.02

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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.