Home / 3,124.14-4,308.44-2,704.30

Finding the Fourth Proportional to 3,124.14, 4,308.44 and 2,704.30

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Solution

The fourth proportional to 3,124.14, 4,308.44 and 2,704.30 is: 3,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.14 : 4,308.44 = 2,704.30 : x
  2. Step 2: Convert to fraction form
    3,124.14/4,308.44 = 2,704.30/x
  3. Step 3: Cross multiply
    3,124.14x = 4,308.44 × 2,704.30
  4. Step 4: Simplify right side
    3,124.14x = 11,651,314.29
  5. Step 5: Solve for x
    x = 11,651,314.29/3,124.14
  6. Step 6: Final answer
    x = 3,729.45

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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.