Home / 7,590.70-11,377.12-3,425.84

Finding the Fourth Proportional to 7,590.70, 11,377.12 and 3,425.84

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Solution

The fourth proportional to 7,590.70, 11,377.12 and 3,425.84 is: 5,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.70 : 11,377.12 = 3,425.84 : x
  2. Step 2: Convert to fraction form
    7,590.70/11,377.12 = 3,425.84/x
  3. Step 3: Cross multiply
    7,590.70x = 11,377.12 × 3,425.84
  4. Step 4: Simplify right side
    7,590.70x = 38,976,192.78
  5. Step 5: Solve for x
    x = 38,976,192.78/7,590.70
  6. Step 6: Final answer
    x = 5,134.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.