Home / 6,110.90-8,433.18-3,457.78

Finding the Fourth Proportional to 6,110.90, 8,433.18 and 3,457.78

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Solution

The fourth proportional to 6,110.90, 8,433.18 and 3,457.78 is: 4,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.90 : 8,433.18 = 3,457.78 : x
  2. Step 2: Convert to fraction form
    6,110.90/8,433.18 = 3,457.78/x
  3. Step 3: Cross multiply
    6,110.90x = 8,433.18 × 3,457.78
  4. Step 4: Simplify right side
    6,110.90x = 29,160,081.14
  5. Step 5: Solve for x
    x = 29,160,081.14/6,110.90
  6. Step 6: Final answer
    x = 4,771.81

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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.