Home / 3,724.91-5,140.43-2,046.47

Finding the Fourth Proportional to 3,724.91, 5,140.43 and 2,046.47

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Solution

The fourth proportional to 3,724.91, 5,140.43 and 2,046.47 is: 2,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.91 : 5,140.43 = 2,046.47 : x
  2. Step 2: Convert to fraction form
    3,724.91/5,140.43 = 2,046.47/x
  3. Step 3: Cross multiply
    3,724.91x = 5,140.43 × 2,046.47
  4. Step 4: Simplify right side
    3,724.91x = 10,519,699.85
  5. Step 5: Solve for x
    x = 10,519,699.85/3,724.91
  6. Step 6: Final answer
    x = 2,824.15

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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.