Home / 5,089.60-7,023.44-2,851.44

Finding the Fourth Proportional to 5,089.60, 7,023.44 and 2,851.44

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Solution

The fourth proportional to 5,089.60, 7,023.44 and 2,851.44 is: 3,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.60 : 7,023.44 = 2,851.44 : x
  2. Step 2: Convert to fraction form
    5,089.60/7,023.44 = 2,851.44/x
  3. Step 3: Cross multiply
    5,089.60x = 7,023.44 × 2,851.44
  4. Step 4: Simplify right side
    5,089.60x = 20,026,917.75
  5. Step 5: Solve for x
    x = 20,026,917.75/5,089.60
  6. Step 6: Final answer
    x = 3,934.87

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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.