Home / 4,086.31-5,639.73-2,317.54

Finding the Fourth Proportional to 4,086.31, 5,639.73 and 2,317.54

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Solution

The fourth proportional to 4,086.31, 5,639.73 and 2,317.54 is: 3,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.31 : 5,639.73 = 2,317.54 : x
  2. Step 2: Convert to fraction form
    4,086.31/5,639.73 = 2,317.54/x
  3. Step 3: Cross multiply
    4,086.31x = 5,639.73 × 2,317.54
  4. Step 4: Simplify right side
    4,086.31x = 13,070,271.67
  5. Step 5: Solve for x
    x = 13,070,271.67/4,086.31
  6. Step 6: Final answer
    x = 3,198.56

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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.