Home / 4,825.92-7,239.60-1,539.12

Finding the Fourth Proportional to 4,825.92, 7,239.60 and 1,539.12

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Solution

The fourth proportional to 4,825.92, 7,239.60 and 1,539.12 is: 2,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.92 : 7,239.60 = 1,539.12 : x
  2. Step 2: Convert to fraction form
    4,825.92/7,239.60 = 1,539.12/x
  3. Step 3: Cross multiply
    4,825.92x = 7,239.60 × 1,539.12
  4. Step 4: Simplify right side
    4,825.92x = 11,142,613.15
  5. Step 5: Solve for x
    x = 11,142,613.15/4,825.92
  6. Step 6: Final answer
    x = 2,308.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.