Home / 5,268.57-7,267.46-3,142.68

Finding the Fourth Proportional to 5,268.57, 7,267.46 and 3,142.68

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Solution

The fourth proportional to 5,268.57, 7,267.46 and 3,142.68 is: 4,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.57 : 7,267.46 = 3,142.68 : x
  2. Step 2: Convert to fraction form
    5,268.57/7,267.46 = 3,142.68/x
  3. Step 3: Cross multiply
    5,268.57x = 7,267.46 × 3,142.68
  4. Step 4: Simplify right side
    5,268.57x = 22,839,285.48
  5. Step 5: Solve for x
    x = 22,839,285.48/5,268.57
  6. Step 6: Final answer
    x = 4,335.01

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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.