Home / 5,305.62-7,321.80-3,317.35

Finding the Fourth Proportional to 5,305.62, 7,321.80 and 3,317.35

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Solution

The fourth proportional to 5,305.62, 7,321.80 and 3,317.35 is: 4,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.62 : 7,321.80 = 3,317.35 : x
  2. Step 2: Convert to fraction form
    5,305.62/7,321.80 = 3,317.35/x
  3. Step 3: Cross multiply
    5,305.62x = 7,321.80 × 3,317.35
  4. Step 4: Simplify right side
    5,305.62x = 24,288,973.23
  5. Step 5: Solve for x
    x = 24,288,973.23/5,305.62
  6. Step 6: Final answer
    x = 4,577.97

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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.