Home / 2,299.17-3,172.58-1,304.42

Finding the Fourth Proportional to 2,299.17, 3,172.58 and 1,304.42

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Solution

The fourth proportional to 2,299.17, 3,172.58 and 1,304.42 is: 1,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.17 : 3,172.58 = 1,304.42 : x
  2. Step 2: Convert to fraction form
    2,299.17/3,172.58 = 1,304.42/x
  3. Step 3: Cross multiply
    2,299.17x = 3,172.58 × 1,304.42
  4. Step 4: Simplify right side
    2,299.17x = 4,138,354.42
  5. Step 5: Solve for x
    x = 4,138,354.42/2,299.17
  6. Step 6: Final answer
    x = 1,799.93

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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.