Home / 5,212.60-7,193.40-2,854.73

Finding the Fourth Proportional to 5,212.60, 7,193.40 and 2,854.73

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Solution

The fourth proportional to 5,212.60, 7,193.40 and 2,854.73 is: 3,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.60 : 7,193.40 = 2,854.73 : x
  2. Step 2: Convert to fraction form
    5,212.60/7,193.40 = 2,854.73/x
  3. Step 3: Cross multiply
    5,212.60x = 7,193.40 × 2,854.73
  4. Step 4: Simplify right side
    5,212.60x = 20,535,214.78
  5. Step 5: Solve for x
    x = 20,535,214.78/5,212.60
  6. Step 6: Final answer
    x = 3,939.53

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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.