Home / 5,385.20-8,074.76-2,094.53

Finding the Fourth Proportional to 5,385.20, 8,074.76 and 2,094.53

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Solution

The fourth proportional to 5,385.20, 8,074.76 and 2,094.53 is: 3,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.20 : 8,074.76 = 2,094.53 : x
  2. Step 2: Convert to fraction form
    5,385.20/8,074.76 = 2,094.53/x
  3. Step 3: Cross multiply
    5,385.20x = 8,074.76 × 2,094.53
  4. Step 4: Simplify right side
    5,385.20x = 16,912,812.11
  5. Step 5: Solve for x
    x = 16,912,812.11/5,385.20
  6. Step 6: Final answer
    x = 3,140.61

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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.