Home / 6,077.80-9,117.90-2,744.38

Finding the Fourth Proportional to 6,077.80, 9,117.90 and 2,744.38

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Solution

The fourth proportional to 6,077.80, 9,117.90 and 2,744.38 is: 4,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.80 : 9,117.90 = 2,744.38 : x
  2. Step 2: Convert to fraction form
    6,077.80/9,117.90 = 2,744.38/x
  3. Step 3: Cross multiply
    6,077.80x = 9,117.90 × 2,744.38
  4. Step 4: Simplify right side
    6,077.80x = 25,022,982.40
  5. Step 5: Solve for x
    x = 25,022,982.40/6,077.80
  6. Step 6: Final answer
    x = 4,117.11

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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.