Home / 5,905.58-8,149.03-3,387

Finding the Fourth Proportional to 5,905.58, 8,149.03 and 3,387

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Solution

The fourth proportional to 5,905.58, 8,149.03 and 3,387 is: 4,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.58 : 8,149.03 = 3,387 : x
  2. Step 2: Convert to fraction form
    5,905.58/8,149.03 = 3,387/x
  3. Step 3: Cross multiply
    5,905.58x = 8,149.03 × 3,387
  4. Step 4: Simplify right side
    5,905.58x = 27,600,756.14
  5. Step 5: Solve for x
    x = 27,600,756.14/5,905.58
  6. Step 6: Final answer
    x = 4,673.67

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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.