Home / 3,952.43-5,454.47-2,184.15

Finding the Fourth Proportional to 3,952.43, 5,454.47 and 2,184.15

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Solution

The fourth proportional to 3,952.43, 5,454.47 and 2,184.15 is: 3,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.43 : 5,454.47 = 2,184.15 : x
  2. Step 2: Convert to fraction form
    3,952.43/5,454.47 = 2,184.15/x
  3. Step 3: Cross multiply
    3,952.43x = 5,454.47 × 2,184.15
  4. Step 4: Simplify right side
    3,952.43x = 11,913,380.65
  5. Step 5: Solve for x
    x = 11,913,380.65/3,952.43
  6. Step 6: Final answer
    x = 3,014.19

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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.