Home / 2,155.01-3,232.52-1,180.58

Finding the Fourth Proportional to 2,155.01, 3,232.52 and 1,180.58

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Solution

The fourth proportional to 2,155.01, 3,232.52 and 1,180.58 is: 1,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.01 : 3,232.52 = 1,180.58 : x
  2. Step 2: Convert to fraction form
    2,155.01/3,232.52 = 1,180.58/x
  3. Step 3: Cross multiply
    2,155.01x = 3,232.52 × 1,180.58
  4. Step 4: Simplify right side
    2,155.01x = 3,816,242.56
  5. Step 5: Solve for x
    x = 3,816,242.56/2,155.01
  6. Step 6: Final answer
    x = 1,770.87

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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.