Home / 2,299.39-3,173.22-1,304.63

Finding the Fourth Proportional to 2,299.39, 3,173.22 and 1,304.63

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Solution

The fourth proportional to 2,299.39, 3,173.22 and 1,304.63 is: 1,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.39 : 3,173.22 = 1,304.63 : x
  2. Step 2: Convert to fraction form
    2,299.39/3,173.22 = 1,304.63/x
  3. Step 3: Cross multiply
    2,299.39x = 3,173.22 × 1,304.63
  4. Step 4: Simplify right side
    2,299.39x = 4,139,878.01
  5. Step 5: Solve for x
    x = 4,139,878.01/2,299.39
  6. Step 6: Final answer
    x = 1,800.42

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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.