Home / 4,953.92-6,839.52-3,721.28

Finding the Fourth Proportional to 4,953.92, 6,839.52 and 3,721.28

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Solution

The fourth proportional to 4,953.92, 6,839.52 and 3,721.28 is: 5,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.92 : 6,839.52 = 3,721.28 : x
  2. Step 2: Convert to fraction form
    4,953.92/6,839.52 = 3,721.28/x
  3. Step 3: Cross multiply
    4,953.92x = 6,839.52 × 3,721.28
  4. Step 4: Simplify right side
    4,953.92x = 25,451,768.99
  5. Step 5: Solve for x
    x = 25,451,768.99/4,953.92
  6. Step 6: Final answer
    x = 5,137.70

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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.