Home / 6,109.32-8,431.05-3,457.14

Finding the Fourth Proportional to 6,109.32, 8,431.05 and 3,457.14

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Solution

The fourth proportional to 6,109.32, 8,431.05 and 3,457.14 is: 4,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.32 : 8,431.05 = 3,457.14 : x
  2. Step 2: Convert to fraction form
    6,109.32/8,431.05 = 3,457.14/x
  3. Step 3: Cross multiply
    6,109.32x = 8,431.05 × 3,457.14
  4. Step 4: Simplify right side
    6,109.32x = 29,147,320.20
  5. Step 5: Solve for x
    x = 29,147,320.20/6,109.32
  6. Step 6: Final answer
    x = 4,770.96

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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.