Home / 2,955.38-4,432.25-1,107.23

Finding the Fourth Proportional to 2,955.38, 4,432.25 and 1,107.23

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Solution

The fourth proportional to 2,955.38, 4,432.25 and 1,107.23 is: 1,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.38 : 4,432.25 = 1,107.23 : x
  2. Step 2: Convert to fraction form
    2,955.38/4,432.25 = 1,107.23/x
  3. Step 3: Cross multiply
    2,955.38x = 4,432.25 × 1,107.23
  4. Step 4: Simplify right side
    2,955.38x = 4,907,500.77
  5. Step 5: Solve for x
    x = 4,907,500.77/2,955.38
  6. Step 6: Final answer
    x = 1,660.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.