Home / 3,584.84-4,947.17-1,991.57

Finding the Fourth Proportional to 3,584.84, 4,947.17 and 1,991.57

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Solution

The fourth proportional to 3,584.84, 4,947.17 and 1,991.57 is: 2,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.84 : 4,947.17 = 1,991.57 : x
  2. Step 2: Convert to fraction form
    3,584.84/4,947.17 = 1,991.57/x
  3. Step 3: Cross multiply
    3,584.84x = 4,947.17 × 1,991.57
  4. Step 4: Simplify right side
    3,584.84x = 9,852,600.66
  5. Step 5: Solve for x
    x = 9,852,600.66/3,584.84
  6. Step 6: Final answer
    x = 2,748.41

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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.