Home / 5,401.48-8,102.70-1,505.96

Finding the Fourth Proportional to 5,401.48, 8,102.70 and 1,505.96

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Solution

The fourth proportional to 5,401.48, 8,102.70 and 1,505.96 is: 2,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.48 : 8,102.70 = 1,505.96 : x
  2. Step 2: Convert to fraction form
    5,401.48/8,102.70 = 1,505.96/x
  3. Step 3: Cross multiply
    5,401.48x = 8,102.70 × 1,505.96
  4. Step 4: Simplify right side
    5,401.48x = 12,202,342.09
  5. Step 5: Solve for x
    x = 12,202,342.09/5,401.48
  6. Step 6: Final answer
    x = 2,259.07

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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.