Home / 5,027.67-6,938.19-2,789.55

Finding the Fourth Proportional to 5,027.67, 6,938.19 and 2,789.55

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Solution

The fourth proportional to 5,027.67, 6,938.19 and 2,789.55 is: 3,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.67 : 6,938.19 = 2,789.55 : x
  2. Step 2: Convert to fraction form
    5,027.67/6,938.19 = 2,789.55/x
  3. Step 3: Cross multiply
    5,027.67x = 6,938.19 × 2,789.55
  4. Step 4: Simplify right side
    5,027.67x = 19,354,420.17
  5. Step 5: Solve for x
    x = 19,354,420.17/5,027.67
  6. Step 6: Final answer
    x = 3,849.58

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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.