Home / 3,365.52-4,639.32-2,739.12

Finding the Fourth Proportional to 3,365.52, 4,639.32 and 2,739.12

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Solution

The fourth proportional to 3,365.52, 4,639.32 and 2,739.12 is: 3,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.52 : 4,639.32 = 2,739.12 : x
  2. Step 2: Convert to fraction form
    3,365.52/4,639.32 = 2,739.12/x
  3. Step 3: Cross multiply
    3,365.52x = 4,639.32 × 2,739.12
  4. Step 4: Simplify right side
    3,365.52x = 12,707,654.20
  5. Step 5: Solve for x
    x = 12,707,654.20/3,365.52
  6. Step 6: Final answer
    x = 3,775.84

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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.