Home / 5,815.56-8,027.10-3,577.80

Finding the Fourth Proportional to 5,815.56, 8,027.10 and 3,577.80

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Solution

The fourth proportional to 5,815.56, 8,027.10 and 3,577.80 is: 4,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.56 : 8,027.10 = 3,577.80 : x
  2. Step 2: Convert to fraction form
    5,815.56/8,027.10 = 3,577.80/x
  3. Step 3: Cross multiply
    5,815.56x = 8,027.10 × 3,577.80
  4. Step 4: Simplify right side
    5,815.56x = 28,719,358.38
  5. Step 5: Solve for x
    x = 28,719,358.38/5,815.56
  6. Step 6: Final answer
    x = 4,938.37

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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.