Home / 7,322.60-10,105.26-4,179.80

Finding the Fourth Proportional to 7,322.60, 10,105.26 and 4,179.80

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Solution

The fourth proportional to 7,322.60, 10,105.26 and 4,179.80 is: 5,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.60 : 10,105.26 = 4,179.80 : x
  2. Step 2: Convert to fraction form
    7,322.60/10,105.26 = 4,179.80/x
  3. Step 3: Cross multiply
    7,322.60x = 10,105.26 × 4,179.80
  4. Step 4: Simplify right side
    7,322.60x = 42,237,965.75
  5. Step 5: Solve for x
    x = 42,237,965.75/7,322.60
  6. Step 6: Final answer
    x = 5,768.17

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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.