Home / 2,382.12-3,573.18-1,149.48

Finding the Fourth Proportional to 2,382.12, 3,573.18 and 1,149.48

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Solution

The fourth proportional to 2,382.12, 3,573.18 and 1,149.48 is: 1,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.12 : 3,573.18 = 1,149.48 : x
  2. Step 2: Convert to fraction form
    2,382.12/3,573.18 = 1,149.48/x
  3. Step 3: Cross multiply
    2,382.12x = 3,573.18 × 1,149.48
  4. Step 4: Simplify right side
    2,382.12x = 4,107,298.95
  5. Step 5: Solve for x
    x = 4,107,298.95/2,382.12
  6. Step 6: Final answer
    x = 1,724.22

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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.