Home / 3,911.67-5,397.69-2,232.93

Finding the Fourth Proportional to 3,911.67, 5,397.69 and 2,232.93

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Solution

The fourth proportional to 3,911.67, 5,397.69 and 2,232.93 is: 3,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.67 : 5,397.69 = 2,232.93 : x
  2. Step 2: Convert to fraction form
    3,911.67/5,397.69 = 2,232.93/x
  3. Step 3: Cross multiply
    3,911.67x = 5,397.69 × 2,232.93
  4. Step 4: Simplify right side
    3,911.67x = 12,052,663.93
  5. Step 5: Solve for x
    x = 12,052,663.93/3,911.67
  6. Step 6: Final answer
    x = 3,081.21

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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.