Home / 6,415.91-8,853.69-3,583.23

Finding the Fourth Proportional to 6,415.91, 8,853.69 and 3,583.23

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Solution

The fourth proportional to 6,415.91, 8,853.69 and 3,583.23 is: 4,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.91 : 8,853.69 = 3,583.23 : x
  2. Step 2: Convert to fraction form
    6,415.91/8,853.69 = 3,583.23/x
  3. Step 3: Cross multiply
    6,415.91x = 8,853.69 × 3,583.23
  4. Step 4: Simplify right side
    6,415.91x = 31,724,789.70
  5. Step 5: Solve for x
    x = 31,724,789.70/6,415.91
  6. Step 6: Final answer
    x = 4,944.71

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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.