Home / 4,375.54-6,561.89-1,453.06

Finding the Fourth Proportional to 4,375.54, 6,561.89 and 1,453.06

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Solution

The fourth proportional to 4,375.54, 6,561.89 and 1,453.06 is: 2,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.54 : 6,561.89 = 1,453.06 : x
  2. Step 2: Convert to fraction form
    4,375.54/6,561.89 = 1,453.06/x
  3. Step 3: Cross multiply
    4,375.54x = 6,561.89 × 1,453.06
  4. Step 4: Simplify right side
    4,375.54x = 9,534,819.88
  5. Step 5: Solve for x
    x = 9,534,819.88/4,375.54
  6. Step 6: Final answer
    x = 2,179.12

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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.