Home / 7,180.20-10,755.60-4,251.36

Finding the Fourth Proportional to 7,180.20, 10,755.60 and 4,251.36

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Solution

The fourth proportional to 7,180.20, 10,755.60 and 4,251.36 is: 6,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.20 : 10,755.60 = 4,251.36 : x
  2. Step 2: Convert to fraction form
    7,180.20/10,755.60 = 4,251.36/x
  3. Step 3: Cross multiply
    7,180.20x = 10,755.60 × 4,251.36
  4. Step 4: Simplify right side
    7,180.20x = 45,725,927.62
  5. Step 5: Solve for x
    x = 45,725,927.62/7,180.20
  6. Step 6: Final answer
    x = 6,368.34

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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.