Home / 4,086.10-5,639.10-2,317.72

Finding the Fourth Proportional to 4,086.10, 5,639.10 and 2,317.72

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Solution

The fourth proportional to 4,086.10, 5,639.10 and 2,317.72 is: 3,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.10 : 5,639.10 = 2,317.72 : x
  2. Step 2: Convert to fraction form
    4,086.10/5,639.10 = 2,317.72/x
  3. Step 3: Cross multiply
    4,086.10x = 5,639.10 × 2,317.72
  4. Step 4: Simplify right side
    4,086.10x = 13,069,854.85
  5. Step 5: Solve for x
    x = 13,069,854.85/4,086.10
  6. Step 6: Final answer
    x = 3,198.61

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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.