Home / 5,666.78-8,500.49-2,380.02

Finding the Fourth Proportional to 5,666.78, 8,500.49 and 2,380.02

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Solution

The fourth proportional to 5,666.78, 8,500.49 and 2,380.02 is: 3,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.78 : 8,500.49 = 2,380.02 : x
  2. Step 2: Convert to fraction form
    5,666.78/8,500.49 = 2,380.02/x
  3. Step 3: Cross multiply
    5,666.78x = 8,500.49 × 2,380.02
  4. Step 4: Simplify right side
    5,666.78x = 20,231,336.21
  5. Step 5: Solve for x
    x = 20,231,336.21/5,666.78
  6. Step 6: Final answer
    x = 3,570.16

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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.