Home / 5,771.28-8,645.56-2,999.76

Finding the Fourth Proportional to 5,771.28, 8,645.56 and 2,999.76

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Solution

The fourth proportional to 5,771.28, 8,645.56 and 2,999.76 is: 4,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.28 : 8,645.56 = 2,999.76 : x
  2. Step 2: Convert to fraction form
    5,771.28/8,645.56 = 2,999.76/x
  3. Step 3: Cross multiply
    5,771.28x = 8,645.56 × 2,999.76
  4. Step 4: Simplify right side
    5,771.28x = 25,934,605.07
  5. Step 5: Solve for x
    x = 25,934,605.07/5,771.28
  6. Step 6: Final answer
    x = 4,493.74

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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.