Home / 2,735.47-3,774.83-1,672.86

Finding the Fourth Proportional to 2,735.47, 3,774.83 and 1,672.86

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Solution

The fourth proportional to 2,735.47, 3,774.83 and 1,672.86 is: 2,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.47 : 3,774.83 = 1,672.86 : x
  2. Step 2: Convert to fraction form
    2,735.47/3,774.83 = 1,672.86/x
  3. Step 3: Cross multiply
    2,735.47x = 3,774.83 × 1,672.86
  4. Step 4: Simplify right side
    2,735.47x = 6,314,753.75
  5. Step 5: Solve for x
    x = 6,314,753.75/2,735.47
  6. Step 6: Final answer
    x = 2,308.47

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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.