Home / 5,743.44-7,929.72-3,622.16

Finding the Fourth Proportional to 5,743.44, 7,929.72 and 3,622.16

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Solution

The fourth proportional to 5,743.44, 7,929.72 and 3,622.16 is: 5,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.44 : 7,929.72 = 3,622.16 : x
  2. Step 2: Convert to fraction form
    5,743.44/7,929.72 = 3,622.16/x
  3. Step 3: Cross multiply
    5,743.44x = 7,929.72 × 3,622.16
  4. Step 4: Simplify right side
    5,743.44x = 28,722,714.60
  5. Step 5: Solve for x
    x = 28,722,714.60/5,743.44
  6. Step 6: Final answer
    x = 5,000.96

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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.