Home / 2,152.07-3,228.11-1,177.64

Finding the Fourth Proportional to 2,152.07, 3,228.11 and 1,177.64

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Solution

The fourth proportional to 2,152.07, 3,228.11 and 1,177.64 is: 1,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.07 : 3,228.11 = 1,177.64 : x
  2. Step 2: Convert to fraction form
    2,152.07/3,228.11 = 1,177.64/x
  3. Step 3: Cross multiply
    2,152.07x = 3,228.11 × 1,177.64
  4. Step 4: Simplify right side
    2,152.07x = 3,801,562.47
  5. Step 5: Solve for x
    x = 3,801,562.47/2,152.07
  6. Step 6: Final answer
    x = 1,766.47

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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.