Home / 2,299.01-3,172.43-1,304.12

Finding the Fourth Proportional to 2,299.01, 3,172.43 and 1,304.12

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Solution

The fourth proportional to 2,299.01, 3,172.43 and 1,304.12 is: 1,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.01 : 3,172.43 = 1,304.12 : x
  2. Step 2: Convert to fraction form
    2,299.01/3,172.43 = 1,304.12/x
  3. Step 3: Cross multiply
    2,299.01x = 3,172.43 × 1,304.12
  4. Step 4: Simplify right side
    2,299.01x = 4,137,240.60
  5. Step 5: Solve for x
    x = 4,137,240.60/2,299.01
  6. Step 6: Final answer
    x = 1,799.58

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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.