Home / 4,087.50-6,131.34-1,009.50

Finding the Fourth Proportional to 4,087.50, 6,131.34 and 1,009.50

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Solution

The fourth proportional to 4,087.50, 6,131.34 and 1,009.50 is: 1,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.50 : 6,131.34 = 1,009.50 : x
  2. Step 2: Convert to fraction form
    4,087.50/6,131.34 = 1,009.50/x
  3. Step 3: Cross multiply
    4,087.50x = 6,131.34 × 1,009.50
  4. Step 4: Simplify right side
    4,087.50x = 6,189,587.73
  5. Step 5: Solve for x
    x = 6,189,587.73/4,087.50
  6. Step 6: Final answer
    x = 1,514.27

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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.