Home / 3,230.11-4,449.87-3,036.31

Finding the Fourth Proportional to 3,230.11, 4,449.87 and 3,036.31

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Solution

The fourth proportional to 3,230.11, 4,449.87 and 3,036.31 is: 4,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.11 : 4,449.87 = 3,036.31 : x
  2. Step 2: Convert to fraction form
    3,230.11/4,449.87 = 3,036.31/x
  3. Step 3: Cross multiply
    3,230.11x = 4,449.87 × 3,036.31
  4. Step 4: Simplify right side
    3,230.11x = 13,511,184.78
  5. Step 5: Solve for x
    x = 13,511,184.78/3,230.11
  6. Step 6: Final answer
    x = 4,182.89

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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.