Home / 3,431.33-5,146.95-966.02

Finding the Fourth Proportional to 3,431.33, 5,146.95 and 966.02

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Solution

The fourth proportional to 3,431.33, 5,146.95 and 966.02 is: 1,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.33 : 5,146.95 = 966.02 : x
  2. Step 2: Convert to fraction form
    3,431.33/5,146.95 = 966.02/x
  3. Step 3: Cross multiply
    3,431.33x = 5,146.95 × 966.02
  4. Step 4: Simplify right side
    3,431.33x = 4,972,056.64
  5. Step 5: Solve for x
    x = 4,972,056.64/3,431.33
  6. Step 6: Final answer
    x = 1,449.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.