Home / 3,611.51-4,982.40-2,432.96

Finding the Fourth Proportional to 3,611.51, 4,982.40 and 2,432.96

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Solution

The fourth proportional to 3,611.51, 4,982.40 and 2,432.96 is: 3,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.51 : 4,982.40 = 2,432.96 : x
  2. Step 2: Convert to fraction form
    3,611.51/4,982.40 = 2,432.96/x
  3. Step 3: Cross multiply
    3,611.51x = 4,982.40 × 2,432.96
  4. Step 4: Simplify right side
    3,611.51x = 12,121,979.90
  5. Step 5: Solve for x
    x = 12,121,979.90/3,611.51
  6. Step 6: Final answer
    x = 3,356.49

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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.