Home / 5,461.22-8,191.83-1,357.22

Finding the Fourth Proportional to 5,461.22, 8,191.83 and 1,357.22

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Solution

The fourth proportional to 5,461.22, 8,191.83 and 1,357.22 is: 2,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.22 : 8,191.83 = 1,357.22 : x
  2. Step 2: Convert to fraction form
    5,461.22/8,191.83 = 1,357.22/x
  3. Step 3: Cross multiply
    5,461.22x = 8,191.83 × 1,357.22
  4. Step 4: Simplify right side
    5,461.22x = 11,118,110.36
  5. Step 5: Solve for x
    x = 11,118,110.36/5,461.22
  6. Step 6: Final answer
    x = 2,035.83

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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.