Home / 5,209.37-7,181.43-3,714.68

Finding the Fourth Proportional to 5,209.37, 7,181.43 and 3,714.68

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Solution

The fourth proportional to 5,209.37, 7,181.43 and 3,714.68 is: 5,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.37 : 7,181.43 = 3,714.68 : x
  2. Step 2: Convert to fraction form
    5,209.37/7,181.43 = 3,714.68/x
  3. Step 3: Cross multiply
    5,209.37x = 7,181.43 × 3,714.68
  4. Step 4: Simplify right side
    5,209.37x = 26,676,678.49
  5. Step 5: Solve for x
    x = 26,676,678.49/5,209.37
  6. Step 6: Final answer
    x = 5,120.91

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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.