Home / 2,982.45-4,475.93-1,110.07

Finding the Fourth Proportional to 2,982.45, 4,475.93 and 1,110.07

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Solution

The fourth proportional to 2,982.45, 4,475.93 and 1,110.07 is: 1,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.45 : 4,475.93 = 1,110.07 : x
  2. Step 2: Convert to fraction form
    2,982.45/4,475.93 = 1,110.07/x
  3. Step 3: Cross multiply
    2,982.45x = 4,475.93 × 1,110.07
  4. Step 4: Simplify right side
    2,982.45x = 4,968,595.66
  5. Step 5: Solve for x
    x = 4,968,595.66/2,982.45
  6. Step 6: Final answer
    x = 1,665.94

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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.