Home / 5,331.96-8,000.64-2,409.62

Finding the Fourth Proportional to 5,331.96, 8,000.64 and 2,409.62

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Solution

The fourth proportional to 5,331.96, 8,000.64 and 2,409.62 is: 3,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.96 : 8,000.64 = 2,409.62 : x
  2. Step 2: Convert to fraction form
    5,331.96/8,000.64 = 2,409.62/x
  3. Step 3: Cross multiply
    5,331.96x = 8,000.64 × 2,409.62
  4. Step 4: Simplify right side
    5,331.96x = 19,278,462.15
  5. Step 5: Solve for x
    x = 19,278,462.15/5,331.96
  6. Step 6: Final answer
    x = 3,615.64

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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.