Home / 5,161.31-7,760.63-4,755.34

Finding the Fourth Proportional to 5,161.31, 7,760.63 and 4,755.34

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Solution

The fourth proportional to 5,161.31, 7,760.63 and 4,755.34 is: 7,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.31 : 7,760.63 = 4,755.34 : x
  2. Step 2: Convert to fraction form
    5,161.31/7,760.63 = 4,755.34/x
  3. Step 3: Cross multiply
    5,161.31x = 7,760.63 × 4,755.34
  4. Step 4: Simplify right side
    5,161.31x = 36,904,426.75
  5. Step 5: Solve for x
    x = 36,904,426.75/5,161.31
  6. Step 6: Final answer
    x = 7,150.21

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1.5x scale

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.