Home / 5,632.91-8,431.65-3,867.59

Finding the Fourth Proportional to 5,632.91, 8,431.65 and 3,867.59

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Solution

The fourth proportional to 5,632.91, 8,431.65 and 3,867.59 is: 5,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.91 : 8,431.65 = 3,867.59 : x
  2. Step 2: Convert to fraction form
    5,632.91/8,431.65 = 3,867.59/x
  3. Step 3: Cross multiply
    5,632.91x = 8,431.65 × 3,867.59
  4. Step 4: Simplify right side
    5,632.91x = 32,610,137.57
  5. Step 5: Solve for x
    x = 32,610,137.57/5,632.91
  6. Step 6: Final answer
    x = 5,789.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.