Home / 3,952.49-5,454.40-2,184.06

Finding the Fourth Proportional to 3,952.49, 5,454.40 and 2,184.06

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Solution

The fourth proportional to 3,952.49, 5,454.40 and 2,184.06 is: 3,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.49 : 5,454.40 = 2,184.06 : x
  2. Step 2: Convert to fraction form
    3,952.49/5,454.40 = 2,184.06/x
  3. Step 3: Cross multiply
    3,952.49x = 5,454.40 × 2,184.06
  4. Step 4: Simplify right side
    3,952.49x = 11,912,725.94
  5. Step 5: Solve for x
    x = 11,912,725.94/3,952.49
  6. Step 6: Final answer
    x = 3,013.98

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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.