Home / 5,286.96-7,305.08-4,622.76

Finding the Fourth Proportional to 5,286.96, 7,305.08 and 4,622.76

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Solution

The fourth proportional to 5,286.96, 7,305.08 and 4,622.76 is: 6,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.96 : 7,305.08 = 4,622.76 : x
  2. Step 2: Convert to fraction form
    5,286.96/7,305.08 = 4,622.76/x
  3. Step 3: Cross multiply
    5,286.96x = 7,305.08 × 4,622.76
  4. Step 4: Simplify right side
    5,286.96x = 33,769,608.51
  5. Step 5: Solve for x
    x = 33,769,608.51/5,286.96
  6. Step 6: Final answer
    x = 6,387.34

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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.