Home / 4,153.38-6,228.80-1,191.60

Finding the Fourth Proportional to 4,153.38, 6,228.80 and 1,191.60

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Solution

The fourth proportional to 4,153.38, 6,228.80 and 1,191.60 is: 1,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.38 : 6,228.80 = 1,191.60 : x
  2. Step 2: Convert to fraction form
    4,153.38/6,228.80 = 1,191.60/x
  3. Step 3: Cross multiply
    4,153.38x = 6,228.80 × 1,191.60
  4. Step 4: Simplify right side
    4,153.38x = 7,422,238.08
  5. Step 5: Solve for x
    x = 7,422,238.08/4,153.38
  6. Step 6: Final answer
    x = 1,787.04

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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.