Home / 4,072.12-5,619.72-2,304.28

Finding the Fourth Proportional to 4,072.12, 5,619.72 and 2,304.28

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Solution

The fourth proportional to 4,072.12, 5,619.72 and 2,304.28 is: 3,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.12 : 5,619.72 = 2,304.28 : x
  2. Step 2: Convert to fraction form
    4,072.12/5,619.72 = 2,304.28/x
  3. Step 3: Cross multiply
    4,072.12x = 5,619.72 × 2,304.28
  4. Step 4: Simplify right side
    4,072.12x = 12,949,408.40
  5. Step 5: Solve for x
    x = 12,949,408.40/4,072.12
  6. Step 6: Final answer
    x = 3,180.02

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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.