Home / 5,047.12-7,571.40-1,583.44

Finding the Fourth Proportional to 5,047.12, 7,571.40 and 1,583.44

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Solution

The fourth proportional to 5,047.12, 7,571.40 and 1,583.44 is: 2,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.12 : 7,571.40 = 1,583.44 : x
  2. Step 2: Convert to fraction form
    5,047.12/7,571.40 = 1,583.44/x
  3. Step 3: Cross multiply
    5,047.12x = 7,571.40 × 1,583.44
  4. Step 4: Simplify right side
    5,047.12x = 11,988,857.62
  5. Step 5: Solve for x
    x = 11,988,857.62/5,047.12
  6. Step 6: Final answer
    x = 2,375.39

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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.