Home / 3,099.07-4,276.73-1,772.79

Finding the Fourth Proportional to 3,099.07, 4,276.73 and 1,772.79

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Solution

The fourth proportional to 3,099.07, 4,276.73 and 1,772.79 is: 2,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.07 : 4,276.73 = 1,772.79 : x
  2. Step 2: Convert to fraction form
    3,099.07/4,276.73 = 1,772.79/x
  3. Step 3: Cross multiply
    3,099.07x = 4,276.73 × 1,772.79
  4. Step 4: Simplify right side
    3,099.07x = 7,581,744.18
  5. Step 5: Solve for x
    x = 7,581,744.18/3,099.07
  6. Step 6: Final answer
    x = 2,446.46

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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.