Home / 6,990.22-10,487.13-2,059.66

Finding the Fourth Proportional to 6,990.22, 10,487.13 and 2,059.66

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Solution

The fourth proportional to 6,990.22, 10,487.13 and 2,059.66 is: 3,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.22 : 10,487.13 = 2,059.66 : x
  2. Step 2: Convert to fraction form
    6,990.22/10,487.13 = 2,059.66/x
  3. Step 3: Cross multiply
    6,990.22x = 10,487.13 × 2,059.66
  4. Step 4: Simplify right side
    6,990.22x = 21,599,922.18
  5. Step 5: Solve for x
    x = 21,599,922.18/6,990.22
  6. Step 6: Final answer
    x = 3,090.02

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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.