Home / 3,247.12-4,482.12-2,253.72

Finding the Fourth Proportional to 3,247.12, 4,482.12 and 2,253.72

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Solution

The fourth proportional to 3,247.12, 4,482.12 and 2,253.72 is: 3,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.12 : 4,482.12 = 2,253.72 : x
  2. Step 2: Convert to fraction form
    3,247.12/4,482.12 = 2,253.72/x
  3. Step 3: Cross multiply
    3,247.12x = 4,482.12 × 2,253.72
  4. Step 4: Simplify right side
    3,247.12x = 10,101,443.49
  5. Step 5: Solve for x
    x = 10,101,443.49/3,247.12
  6. Step 6: Final answer
    x = 3,110.89

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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.