Home / 5,092.45-7,027.51-2,854.30

Finding the Fourth Proportional to 5,092.45, 7,027.51 and 2,854.30

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Solution

The fourth proportional to 5,092.45, 7,027.51 and 2,854.30 is: 3,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.45 : 7,027.51 = 2,854.30 : x
  2. Step 2: Convert to fraction form
    5,092.45/7,027.51 = 2,854.30/x
  3. Step 3: Cross multiply
    5,092.45x = 7,027.51 × 2,854.30
  4. Step 4: Simplify right side
    5,092.45x = 20,058,621.79
  5. Step 5: Solve for x
    x = 20,058,621.79/5,092.45
  6. Step 6: Final answer
    x = 3,938.89

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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.