Home / 5,153.91-7,118.19-3,472.38

Finding the Fourth Proportional to 5,153.91, 7,118.19 and 3,472.38

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Solution

The fourth proportional to 5,153.91, 7,118.19 and 3,472.38 is: 4,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.91 : 7,118.19 = 3,472.38 : x
  2. Step 2: Convert to fraction form
    5,153.91/7,118.19 = 3,472.38/x
  3. Step 3: Cross multiply
    5,153.91x = 7,118.19 × 3,472.38
  4. Step 4: Simplify right side
    5,153.91x = 24,717,060.59
  5. Step 5: Solve for x
    x = 24,717,060.59/5,153.91
  6. Step 6: Final answer
    x = 4,795.79

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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.