Home / 3,329.40-4,594.44-1,912.74

Finding the Fourth Proportional to 3,329.40, 4,594.44 and 1,912.74

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Solution

The fourth proportional to 3,329.40, 4,594.44 and 1,912.74 is: 2,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.40 : 4,594.44 = 1,912.74 : x
  2. Step 2: Convert to fraction form
    3,329.40/4,594.44 = 1,912.74/x
  3. Step 3: Cross multiply
    3,329.40x = 4,594.44 × 1,912.74
  4. Step 4: Simplify right side
    3,329.40x = 8,787,969.17
  5. Step 5: Solve for x
    x = 8,787,969.17/3,329.40
  6. Step 6: Final answer
    x = 2,639.51

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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.