Home / 5,590.46-7,714.91-3,072.85

Finding the Fourth Proportional to 5,590.46, 7,714.91 and 3,072.85

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Solution

The fourth proportional to 5,590.46, 7,714.91 and 3,072.85 is: 4,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.46 : 7,714.91 = 3,072.85 : x
  2. Step 2: Convert to fraction form
    5,590.46/7,714.91 = 3,072.85/x
  3. Step 3: Cross multiply
    5,590.46x = 7,714.91 × 3,072.85
  4. Step 4: Simplify right side
    5,590.46x = 23,706,707.25
  5. Step 5: Solve for x
    x = 23,706,707.25/5,590.46
  6. Step 6: Final answer
    x = 4,240.56

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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.