Home / 5,854.34-8,776.30-2,155.69

Finding the Fourth Proportional to 5,854.34, 8,776.30 and 2,155.69

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Solution

The fourth proportional to 5,854.34, 8,776.30 and 2,155.69 is: 3,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.34 : 8,776.30 = 2,155.69 : x
  2. Step 2: Convert to fraction form
    5,854.34/8,776.30 = 2,155.69/x
  3. Step 3: Cross multiply
    5,854.34x = 8,776.30 × 2,155.69
  4. Step 4: Simplify right side
    5,854.34x = 18,918,982.15
  5. Step 5: Solve for x
    x = 18,918,982.15/5,854.34
  6. Step 6: Final answer
    x = 3,231.62

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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.