Home / 5,939.06-8,196.18-3,421.56

Finding the Fourth Proportional to 5,939.06, 8,196.18 and 3,421.56

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Solution

The fourth proportional to 5,939.06, 8,196.18 and 3,421.56 is: 4,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.06 : 8,196.18 = 3,421.56 : x
  2. Step 2: Convert to fraction form
    5,939.06/8,196.18 = 3,421.56/x
  3. Step 3: Cross multiply
    5,939.06x = 8,196.18 × 3,421.56
  4. Step 4: Simplify right side
    5,939.06x = 28,043,721.64
  5. Step 5: Solve for x
    x = 28,043,721.64/5,939.06
  6. Step 6: Final answer
    x = 4,721.92

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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.