Home / 5,267.82-7,268.96-3,143.46

Finding the Fourth Proportional to 5,267.82, 7,268.96 and 3,143.46

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Solution

The fourth proportional to 5,267.82, 7,268.96 and 3,143.46 is: 4,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.82 : 7,268.96 = 3,143.46 : x
  2. Step 2: Convert to fraction form
    5,267.82/7,268.96 = 3,143.46/x
  3. Step 3: Cross multiply
    5,267.82x = 7,268.96 × 3,143.46
  4. Step 4: Simplify right side
    5,267.82x = 22,849,685.00
  5. Step 5: Solve for x
    x = 22,849,685.00/5,267.82
  6. Step 6: Final answer
    x = 4,337.60

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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.