Home / 5,857.04-8,780.33-2,158.38

Finding the Fourth Proportional to 5,857.04, 8,780.33 and 2,158.38

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Solution

The fourth proportional to 5,857.04, 8,780.33 and 2,158.38 is: 3,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.04 : 8,780.33 = 2,158.38 : x
  2. Step 2: Convert to fraction form
    5,857.04/8,780.33 = 2,158.38/x
  3. Step 3: Cross multiply
    5,857.04x = 8,780.33 × 2,158.38
  4. Step 4: Simplify right side
    5,857.04x = 18,951,294.06
  5. Step 5: Solve for x
    x = 18,951,294.06/5,857.04
  6. Step 6: Final answer
    x = 3,235.64

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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.