Home / 5,116.62-7,675.56-1,830.06

Finding the Fourth Proportional to 5,116.62, 7,675.56 and 1,830.06

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Solution

The fourth proportional to 5,116.62, 7,675.56 and 1,830.06 is: 2,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.62 : 7,675.56 = 1,830.06 : x
  2. Step 2: Convert to fraction form
    5,116.62/7,675.56 = 1,830.06/x
  3. Step 3: Cross multiply
    5,116.62x = 7,675.56 × 1,830.06
  4. Step 4: Simplify right side
    5,116.62x = 14,046,735.33
  5. Step 5: Solve for x
    x = 14,046,735.33/5,116.62
  6. Step 6: Final answer
    x = 2,745.32

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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.