Home / 5,266.73-7,268.12-2,876.83

Finding the Fourth Proportional to 5,266.73, 7,268.12 and 2,876.83

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Solution

The fourth proportional to 5,266.73, 7,268.12 and 2,876.83 is: 3,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.73 : 7,268.12 = 2,876.83 : x
  2. Step 2: Convert to fraction form
    5,266.73/7,268.12 = 2,876.83/x
  3. Step 3: Cross multiply
    5,266.73x = 7,268.12 × 2,876.83
  4. Step 4: Simplify right side
    5,266.73x = 20,909,145.66
  5. Step 5: Solve for x
    x = 20,909,145.66/5,266.73
  6. Step 6: Final answer
    x = 3,970.04

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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.