Home / 5,915.06-8,159.58-5,086.73

Finding the Fourth Proportional to 5,915.06, 8,159.58 and 5,086.73

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Solution

The fourth proportional to 5,915.06, 8,159.58 and 5,086.73 is: 7,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.06 : 8,159.58 = 5,086.73 : x
  2. Step 2: Convert to fraction form
    5,915.06/8,159.58 = 5,086.73/x
  3. Step 3: Cross multiply
    5,915.06x = 8,159.58 × 5,086.73
  4. Step 4: Simplify right side
    5,915.06x = 41,505,539.58
  5. Step 5: Solve for x
    x = 41,505,539.58/5,915.06
  6. Step 6: Final answer
    x = 7,016.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.