Home / 6,875.57-9,488.27-3,731.75

Finding the Fourth Proportional to 6,875.57, 9,488.27 and 3,731.75

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Solution

The fourth proportional to 6,875.57, 9,488.27 and 3,731.75 is: 5,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.57 : 9,488.27 = 3,731.75 : x
  2. Step 2: Convert to fraction form
    6,875.57/9,488.27 = 3,731.75/x
  3. Step 3: Cross multiply
    6,875.57x = 9,488.27 × 3,731.75
  4. Step 4: Simplify right side
    6,875.57x = 35,407,884.62
  5. Step 5: Solve for x
    x = 35,407,884.62/6,875.57
  6. Step 6: Final answer
    x = 5,149.81

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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.