Home / 6,987.40-10,481.08-2,057.03

Finding the Fourth Proportional to 6,987.40, 10,481.08 and 2,057.03

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Solution

The fourth proportional to 6,987.40, 10,481.08 and 2,057.03 is: 3,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.40 : 10,481.08 = 2,057.03 : x
  2. Step 2: Convert to fraction form
    6,987.40/10,481.08 = 2,057.03/x
  3. Step 3: Cross multiply
    6,987.40x = 10,481.08 × 2,057.03
  4. Step 4: Simplify right side
    6,987.40x = 21,559,895.99
  5. Step 5: Solve for x
    x = 21,559,895.99/6,987.40
  6. Step 6: Final answer
    x = 3,085.54

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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.