Home / 5,141.91-7,095.96-3,153.56

Finding the Fourth Proportional to 5,141.91, 7,095.96 and 3,153.56

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Solution

The fourth proportional to 5,141.91, 7,095.96 and 3,153.56 is: 4,351.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.91 : 7,095.96 = 3,153.56 : x
  2. Step 2: Convert to fraction form
    5,141.91/7,095.96 = 3,153.56/x
  3. Step 3: Cross multiply
    5,141.91x = 7,095.96 × 3,153.56
  4. Step 4: Simplify right side
    5,141.91x = 22,377,548.92
  5. Step 5: Solve for x
    x = 22,377,548.92/5,141.91
  6. Step 6: Final answer
    x = 4,351.99

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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.