Home / 5,236.74-7,226.46-3,142.02

Finding the Fourth Proportional to 5,236.74, 7,226.46 and 3,142.02

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Solution

The fourth proportional to 5,236.74, 7,226.46 and 3,142.02 is: 4,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.74 : 7,226.46 = 3,142.02 : x
  2. Step 2: Convert to fraction form
    5,236.74/7,226.46 = 3,142.02/x
  3. Step 3: Cross multiply
    5,236.74x = 7,226.46 × 3,142.02
  4. Step 4: Simplify right side
    5,236.74x = 22,705,681.85
  5. Step 5: Solve for x
    x = 22,705,681.85/5,236.74
  6. Step 6: Final answer
    x = 4,335.84

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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.