Home / 3,235.12-4,851.72-926.08

Finding the Fourth Proportional to 3,235.12, 4,851.72 and 926.08

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Solution

The fourth proportional to 3,235.12, 4,851.72 and 926.08 is: 1,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.12 : 4,851.72 = 926.08 : x
  2. Step 2: Convert to fraction form
    3,235.12/4,851.72 = 926.08/x
  3. Step 3: Cross multiply
    3,235.12x = 4,851.72 × 926.08
  4. Step 4: Simplify right side
    3,235.12x = 4,493,080.86
  5. Step 5: Solve for x
    x = 4,493,080.86/3,235.12
  6. Step 6: Final answer
    x = 1,388.85

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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.