Home / 3,099.05-4,276.58-1,772.88

Finding the Fourth Proportional to 3,099.05, 4,276.58 and 1,772.88

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Solution

The fourth proportional to 3,099.05, 4,276.58 and 1,772.88 is: 2,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.05 : 4,276.58 = 1,772.88 : x
  2. Step 2: Convert to fraction form
    3,099.05/4,276.58 = 1,772.88/x
  3. Step 3: Cross multiply
    3,099.05x = 4,276.58 × 1,772.88
  4. Step 4: Simplify right side
    3,099.05x = 7,581,854.29
  5. Step 5: Solve for x
    x = 7,581,854.29/3,099.05
  6. Step 6: Final answer
    x = 2,446.51

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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.