Home / 5,669.83-8,500.21-2,857.15

Finding the Fourth Proportional to 5,669.83, 8,500.21 and 2,857.15

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Solution

The fourth proportional to 5,669.83, 8,500.21 and 2,857.15 is: 4,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.83 : 8,500.21 = 2,857.15 : x
  2. Step 2: Convert to fraction form
    5,669.83/8,500.21 = 2,857.15/x
  3. Step 3: Cross multiply
    5,669.83x = 8,500.21 × 2,857.15
  4. Step 4: Simplify right side
    5,669.83x = 24,286,346.61
  5. Step 5: Solve for x
    x = 24,286,346.61/5,669.83
  6. Step 6: Final answer
    x = 4,283.44

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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.