Home / 5,672.20-8,508.30-3,091.54

Finding the Fourth Proportional to 5,672.20, 8,508.30 and 3,091.54

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Solution

The fourth proportional to 5,672.20, 8,508.30 and 3,091.54 is: 4,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.20 : 8,508.30 = 3,091.54 : x
  2. Step 2: Convert to fraction form
    5,672.20/8,508.30 = 3,091.54/x
  3. Step 3: Cross multiply
    5,672.20x = 8,508.30 × 3,091.54
  4. Step 4: Simplify right side
    5,672.20x = 26,303,749.78
  5. Step 5: Solve for x
    x = 26,303,749.78/5,672.20
  6. Step 6: Final answer
    x = 4,637.31

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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.