Home / 3,234.81-4,817.40-3,125.46

Finding the Fourth Proportional to 3,234.81, 4,817.40 and 3,125.46

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Solution

The fourth proportional to 3,234.81, 4,817.40 and 3,125.46 is: 4,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.81 : 4,817.40 = 3,125.46 : x
  2. Step 2: Convert to fraction form
    3,234.81/4,817.40 = 3,125.46/x
  3. Step 3: Cross multiply
    3,234.81x = 4,817.40 × 3,125.46
  4. Step 4: Simplify right side
    3,234.81x = 15,056,591.00
  5. Step 5: Solve for x
    x = 15,056,591.00/3,234.81
  6. Step 6: Final answer
    x = 4,654.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.