Home / 5,812.08-8,020.44-3,159.43

Finding the Fourth Proportional to 5,812.08, 8,020.44 and 3,159.43

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Solution

The fourth proportional to 5,812.08, 8,020.44 and 3,159.43 is: 4,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.08 : 8,020.44 = 3,159.43 : x
  2. Step 2: Convert to fraction form
    5,812.08/8,020.44 = 3,159.43/x
  3. Step 3: Cross multiply
    5,812.08x = 8,020.44 × 3,159.43
  4. Step 4: Simplify right side
    5,812.08x = 25,340,018.75
  5. Step 5: Solve for x
    x = 25,340,018.75/5,812.08
  6. Step 6: Final answer
    x = 4,359.89

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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.