Home / 5,235.30-7,231.68-4,355.64

Finding the Fourth Proportional to 5,235.30, 7,231.68 and 4,355.64

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Solution

The fourth proportional to 5,235.30, 7,231.68 and 4,355.64 is: 6,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.30 : 7,231.68 = 4,355.64 : x
  2. Step 2: Convert to fraction form
    5,235.30/7,231.68 = 4,355.64/x
  3. Step 3: Cross multiply
    5,235.30x = 7,231.68 × 4,355.64
  4. Step 4: Simplify right side
    5,235.30x = 31,498,594.68
  5. Step 5: Solve for x
    x = 31,498,594.68/5,235.30
  6. Step 6: Final answer
    x = 6,016.58

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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.