Home / 3,034.62-4,185.45-2,288.70

Finding the Fourth Proportional to 3,034.62, 4,185.45 and 2,288.70

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Solution

The fourth proportional to 3,034.62, 4,185.45 and 2,288.70 is: 3,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.62 : 4,185.45 = 2,288.70 : x
  2. Step 2: Convert to fraction form
    3,034.62/4,185.45 = 2,288.70/x
  3. Step 3: Cross multiply
    3,034.62x = 4,185.45 × 2,288.70
  4. Step 4: Simplify right side
    3,034.62x = 9,579,239.42
  5. Step 5: Solve for x
    x = 9,579,239.42/3,034.62
  6. Step 6: Final answer
    x = 3,156.65

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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.