Home / 7,046.25-10,558.40-2,661.32

Finding the Fourth Proportional to 7,046.25, 10,558.40 and 2,661.32

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Solution

The fourth proportional to 7,046.25, 10,558.40 and 2,661.32 is: 3,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.25 : 10,558.40 = 2,661.32 : x
  2. Step 2: Convert to fraction form
    7,046.25/10,558.40 = 2,661.32/x
  3. Step 3: Cross multiply
    7,046.25x = 10,558.40 × 2,661.32
  4. Step 4: Simplify right side
    7,046.25x = 28,099,214.99
  5. Step 5: Solve for x
    x = 28,099,214.99/7,046.25
  6. Step 6: Final answer
    x = 3,987.83

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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.