Home / 5,910.81-8,156.93-3,222.05

Finding the Fourth Proportional to 5,910.81, 8,156.93 and 3,222.05

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Solution

The fourth proportional to 5,910.81, 8,156.93 and 3,222.05 is: 4,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.81 : 8,156.93 = 3,222.05 : x
  2. Step 2: Convert to fraction form
    5,910.81/8,156.93 = 3,222.05/x
  3. Step 3: Cross multiply
    5,910.81x = 8,156.93 × 3,222.05
  4. Step 4: Simplify right side
    5,910.81x = 26,282,009.20
  5. Step 5: Solve for x
    x = 26,282,009.20/5,910.81
  6. Step 6: Final answer
    x = 4,446.43

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Half scale
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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.