Home / 5,939.25-8,196.45-3,421.74

Finding the Fourth Proportional to 5,939.25, 8,196.45 and 3,421.74

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Solution

The fourth proportional to 5,939.25, 8,196.45 and 3,421.74 is: 4,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.25 : 8,196.45 = 3,421.74 : x
  2. Step 2: Convert to fraction form
    5,939.25/8,196.45 = 3,421.74/x
  3. Step 3: Cross multiply
    5,939.25x = 8,196.45 × 3,421.74
  4. Step 4: Simplify right side
    5,939.25x = 28,046,138.73
  5. Step 5: Solve for x
    x = 28,046,138.73/5,939.25
  6. Step 6: Final answer
    x = 4,722.17

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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.