Home / 3,264.79-4,505.39-1,772.69

Finding the Fourth Proportional to 3,264.79, 4,505.39 and 1,772.69

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Solution

The fourth proportional to 3,264.79, 4,505.39 and 1,772.69 is: 2,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.79 : 4,505.39 = 1,772.69 : x
  2. Step 2: Convert to fraction form
    3,264.79/4,505.39 = 1,772.69/x
  3. Step 3: Cross multiply
    3,264.79x = 4,505.39 × 1,772.69
  4. Step 4: Simplify right side
    3,264.79x = 7,986,675.49
  5. Step 5: Solve for x
    x = 7,986,675.49/3,264.79
  6. Step 6: Final answer
    x = 2,446.31

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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.