Home / 5,536.60-7,640.70-3,018.92

Finding the Fourth Proportional to 5,536.60, 7,640.70 and 3,018.92

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Solution

The fourth proportional to 5,536.60, 7,640.70 and 3,018.92 is: 4,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.60 : 7,640.70 = 3,018.92 : x
  2. Step 2: Convert to fraction form
    5,536.60/7,640.70 = 3,018.92/x
  3. Step 3: Cross multiply
    5,536.60x = 7,640.70 × 3,018.92
  4. Step 4: Simplify right side
    5,536.60x = 23,066,608.75
  5. Step 5: Solve for x
    x = 23,066,608.75/5,536.60
  6. Step 6: Final answer
    x = 4,166.21

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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.