Home / 5,305.28-7,322.22-3,066.80

Finding the Fourth Proportional to 5,305.28, 7,322.22 and 3,066.80

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Solution

The fourth proportional to 5,305.28, 7,322.22 and 3,066.80 is: 4,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.28 : 7,322.22 = 3,066.80 : x
  2. Step 2: Convert to fraction form
    5,305.28/7,322.22 = 3,066.80/x
  3. Step 3: Cross multiply
    5,305.28x = 7,322.22 × 3,066.80
  4. Step 4: Simplify right side
    5,305.28x = 22,455,747.68
  5. Step 5: Solve for x
    x = 22,455,747.68/5,305.28
  6. Step 6: Final answer
    x = 4,232.72

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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.