Home / 5,246.80-7,240.36-3,007.11

Finding the Fourth Proportional to 5,246.80, 7,240.36 and 3,007.11

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Solution

The fourth proportional to 5,246.80, 7,240.36 and 3,007.11 is: 4,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.80 : 7,240.36 = 3,007.11 : x
  2. Step 2: Convert to fraction form
    5,246.80/7,240.36 = 3,007.11/x
  3. Step 3: Cross multiply
    5,246.80x = 7,240.36 × 3,007.11
  4. Step 4: Simplify right side
    5,246.80x = 21,772,558.96
  5. Step 5: Solve for x
    x = 21,772,558.96/5,246.80
  6. Step 6: Final answer
    x = 4,149.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.