Home / 7,033.28-9,705.96-3,889.58

Finding the Fourth Proportional to 7,033.28, 9,705.96 and 3,889.58

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Solution

The fourth proportional to 7,033.28, 9,705.96 and 3,889.58 is: 5,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,033.28 : 9,705.96 = 3,889.58 : x
  2. Step 2: Convert to fraction form
    7,033.28/9,705.96 = 3,889.58/x
  3. Step 3: Cross multiply
    7,033.28x = 9,705.96 × 3,889.58
  4. Step 4: Simplify right side
    7,033.28x = 37,752,107.90
  5. Step 5: Solve for x
    x = 37,752,107.90/7,033.28
  6. Step 6: Final answer
    x = 5,367.64

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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.