Home / 5,108.56-7,649.82-4,680.88

Finding the Fourth Proportional to 5,108.56, 7,649.82 and 4,680.88

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Solution

The fourth proportional to 5,108.56, 7,649.82 and 4,680.88 is: 7,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.56 : 7,649.82 = 4,680.88 : x
  2. Step 2: Convert to fraction form
    5,108.56/7,649.82 = 4,680.88/x
  3. Step 3: Cross multiply
    5,108.56x = 7,649.82 × 4,680.88
  4. Step 4: Simplify right side
    5,108.56x = 35,807,889.44
  5. Step 5: Solve for x
    x = 35,807,889.44/5,108.56
  6. Step 6: Final answer
    x = 7,009.39

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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.