Home / 6,875.26-9,487.61-3,731.38

Finding the Fourth Proportional to 6,875.26, 9,487.61 and 3,731.38

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Solution

The fourth proportional to 6,875.26, 9,487.61 and 3,731.38 is: 5,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.26 : 9,487.61 = 3,731.38 : x
  2. Step 2: Convert to fraction form
    6,875.26/9,487.61 = 3,731.38/x
  3. Step 3: Cross multiply
    6,875.26x = 9,487.61 × 3,731.38
  4. Step 4: Simplify right side
    6,875.26x = 35,401,859.54
  5. Step 5: Solve for x
    x = 35,401,859.54/6,875.26
  6. Step 6: Final answer
    x = 5,149.17

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1.5x scale

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.