Home / 6,109.83-8,431.52-3,457.22

Finding the Fourth Proportional to 6,109.83, 8,431.52 and 3,457.22

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Solution

The fourth proportional to 6,109.83, 8,431.52 and 3,457.22 is: 4,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.83 : 8,431.52 = 3,457.22 : x
  2. Step 2: Convert to fraction form
    6,109.83/8,431.52 = 3,457.22/x
  3. Step 3: Cross multiply
    6,109.83x = 8,431.52 × 3,457.22
  4. Step 4: Simplify right side
    6,109.83x = 29,149,560.13
  5. Step 5: Solve for x
    x = 29,149,560.13/6,109.83
  6. Step 6: Final answer
    x = 4,770.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.