Home / 2,765.33-3,817.52-1,885.74

Finding the Fourth Proportional to 2,765.33, 3,817.52 and 1,885.74

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Solution

The fourth proportional to 2,765.33, 3,817.52 and 1,885.74 is: 2,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.33 : 3,817.52 = 1,885.74 : x
  2. Step 2: Convert to fraction form
    2,765.33/3,817.52 = 1,885.74/x
  3. Step 3: Cross multiply
    2,765.33x = 3,817.52 × 1,885.74
  4. Step 4: Simplify right side
    2,765.33x = 7,198,850.16
  5. Step 5: Solve for x
    x = 7,198,850.16/2,765.33
  6. Step 6: Final answer
    x = 2,603.25

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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.