Home / 5,401.50-8,102.76-1,505.94

Finding the Fourth Proportional to 5,401.50, 8,102.76 and 1,505.94

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Solution

The fourth proportional to 5,401.50, 8,102.76 and 1,505.94 is: 2,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.50 : 8,102.76 = 1,505.94 : x
  2. Step 2: Convert to fraction form
    5,401.50/8,102.76 = 1,505.94/x
  3. Step 3: Cross multiply
    5,401.50x = 8,102.76 × 1,505.94
  4. Step 4: Simplify right side
    5,401.50x = 12,202,270.39
  5. Step 5: Solve for x
    x = 12,202,270.39/5,401.50
  6. Step 6: Final answer
    x = 2,259.05

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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.