Home / 3,293.50-4,942.40-1,213.53

Finding the Fourth Proportional to 3,293.50, 4,942.40 and 1,213.53

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Solution

The fourth proportional to 3,293.50, 4,942.40 and 1,213.53 is: 1,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.50 : 4,942.40 = 1,213.53 : x
  2. Step 2: Convert to fraction form
    3,293.50/4,942.40 = 1,213.53/x
  3. Step 3: Cross multiply
    3,293.50x = 4,942.40 × 1,213.53
  4. Step 4: Simplify right side
    3,293.50x = 5,997,725.96
  5. Step 5: Solve for x
    x = 5,997,725.96/3,293.50
  6. Step 6: Final answer
    x = 1,821.08

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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.