Home / 4,853.16-7,279.68-3,422.51

Finding the Fourth Proportional to 4,853.16, 7,279.68 and 3,422.51

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Solution

The fourth proportional to 4,853.16, 7,279.68 and 3,422.51 is: 5,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.16 : 7,279.68 = 3,422.51 : x
  2. Step 2: Convert to fraction form
    4,853.16/7,279.68 = 3,422.51/x
  3. Step 3: Cross multiply
    4,853.16x = 7,279.68 × 3,422.51
  4. Step 4: Simplify right side
    4,853.16x = 24,914,777.60
  5. Step 5: Solve for x
    x = 24,914,777.60/4,853.16
  6. Step 6: Final answer
    x = 5,133.72

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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.