Home / 4,618.60-6,921.42-2,020.12

Finding the Fourth Proportional to 4,618.60, 6,921.42 and 2,020.12

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Solution

The fourth proportional to 4,618.60, 6,921.42 and 2,020.12 is: 3,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.60 : 6,921.42 = 2,020.12 : x
  2. Step 2: Convert to fraction form
    4,618.60/6,921.42 = 2,020.12/x
  3. Step 3: Cross multiply
    4,618.60x = 6,921.42 × 2,020.12
  4. Step 4: Simplify right side
    4,618.60x = 13,982,098.97
  5. Step 5: Solve for x
    x = 13,982,098.97/4,618.60
  6. Step 6: Final answer
    x = 3,027.35

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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.