Home / 5,251.02-7,246.71-2,893.20

Finding the Fourth Proportional to 5,251.02, 7,246.71 and 2,893.20

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Solution

The fourth proportional to 5,251.02, 7,246.71 and 2,893.20 is: 3,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.02 : 7,246.71 = 2,893.20 : x
  2. Step 2: Convert to fraction form
    5,251.02/7,246.71 = 2,893.20/x
  3. Step 3: Cross multiply
    5,251.02x = 7,246.71 × 2,893.20
  4. Step 4: Simplify right side
    5,251.02x = 20,966,181.37
  5. Step 5: Solve for x
    x = 20,966,181.37/5,251.02
  6. Step 6: Final answer
    x = 3,992.78

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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.