Home / 3,133.53-4,314.42-2,660.43

Finding the Fourth Proportional to 3,133.53, 4,314.42 and 2,660.43

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Solution

The fourth proportional to 3,133.53, 4,314.42 and 2,660.43 is: 3,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.53 : 4,314.42 = 2,660.43 : x
  2. Step 2: Convert to fraction form
    3,133.53/4,314.42 = 2,660.43/x
  3. Step 3: Cross multiply
    3,133.53x = 4,314.42 × 2,660.43
  4. Step 4: Simplify right side
    3,133.53x = 11,478,212.40
  5. Step 5: Solve for x
    x = 11,478,212.40/3,133.53
  6. Step 6: Final answer
    x = 3,663.03

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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.