Home / 7,322.77-10,105.43-3,965.62

Finding the Fourth Proportional to 7,322.77, 10,105.43 and 3,965.62

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Solution

The fourth proportional to 7,322.77, 10,105.43 and 3,965.62 is: 5,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.77 : 10,105.43 = 3,965.62 : x
  2. Step 2: Convert to fraction form
    7,322.77/10,105.43 = 3,965.62/x
  3. Step 3: Cross multiply
    7,322.77x = 10,105.43 × 3,965.62
  4. Step 4: Simplify right side
    7,322.77x = 40,074,295.32
  5. Step 5: Solve for x
    x = 40,074,295.32/7,322.77
  6. Step 6: Final answer
    x = 5,472.56

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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.