Home / 3,213.16-4,814.86-2,387.58

Finding the Fourth Proportional to 3,213.16, 4,814.86 and 2,387.58

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Solution

The fourth proportional to 3,213.16, 4,814.86 and 2,387.58 is: 3,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.16 : 4,814.86 = 2,387.58 : x
  2. Step 2: Convert to fraction form
    3,213.16/4,814.86 = 2,387.58/x
  3. Step 3: Cross multiply
    3,213.16x = 4,814.86 × 2,387.58
  4. Step 4: Simplify right side
    3,213.16x = 11,495,863.44
  5. Step 5: Solve for x
    x = 11,495,863.44/3,213.16
  6. Step 6: Final answer
    x = 3,577.74

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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.