Home / 4,457.73-6,677.67-2,120.00

Finding the Fourth Proportional to 4,457.73, 6,677.67 and 2,120.00

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Solution

The fourth proportional to 4,457.73, 6,677.67 and 2,120.00 is: 3,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.73 : 6,677.67 = 2,120.00 : x
  2. Step 2: Convert to fraction form
    4,457.73/6,677.67 = 2,120.00/x
  3. Step 3: Cross multiply
    4,457.73x = 6,677.67 × 2,120.00
  4. Step 4: Simplify right side
    4,457.73x = 14,156,635.86
  5. Step 5: Solve for x
    x = 14,156,635.86/4,457.73
  6. Step 6: Final answer
    x = 3,175.75

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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.