Home / 4,146.68-5,729.70-3,314.25

Finding the Fourth Proportional to 4,146.68, 5,729.70 and 3,314.25

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Solution

The fourth proportional to 4,146.68, 5,729.70 and 3,314.25 is: 4,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.68 : 5,729.70 = 3,314.25 : x
  2. Step 2: Convert to fraction form
    4,146.68/5,729.70 = 3,314.25/x
  3. Step 3: Cross multiply
    4,146.68x = 5,729.70 × 3,314.25
  4. Step 4: Simplify right side
    4,146.68x = 18,989,658.23
  5. Step 5: Solve for x
    x = 18,989,658.23/4,146.68
  6. Step 6: Final answer
    x = 4,579.48

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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.