Home / 5,552.38-7,660.80-3,313.24

Finding the Fourth Proportional to 5,552.38, 7,660.80 and 3,313.24

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Solution

The fourth proportional to 5,552.38, 7,660.80 and 3,313.24 is: 4,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.38 : 7,660.80 = 3,313.24 : x
  2. Step 2: Convert to fraction form
    5,552.38/7,660.80 = 3,313.24/x
  3. Step 3: Cross multiply
    5,552.38x = 7,660.80 × 3,313.24
  4. Step 4: Simplify right side
    5,552.38x = 25,382,068.99
  5. Step 5: Solve for x
    x = 25,382,068.99/5,552.38
  6. Step 6: Final answer
    x = 4,571.39

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Half scale
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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.