Home / 7,322.96-10,105.58-3,965.70

Finding the Fourth Proportional to 7,322.96, 10,105.58 and 3,965.70

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Solution

The fourth proportional to 7,322.96, 10,105.58 and 3,965.70 is: 5,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.96 : 10,105.58 = 3,965.70 : x
  2. Step 2: Convert to fraction form
    7,322.96/10,105.58 = 3,965.70/x
  3. Step 3: Cross multiply
    7,322.96x = 10,105.58 × 3,965.70
  4. Step 4: Simplify right side
    7,322.96x = 40,075,698.61
  5. Step 5: Solve for x
    x = 40,075,698.61/7,322.96
  6. Step 6: Final answer
    x = 5,472.61

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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.