Home / 2,942.67-4,063.53-2,195.34

Finding the Fourth Proportional to 2,942.67, 4,063.53 and 2,195.34

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Solution

The fourth proportional to 2,942.67, 4,063.53 and 2,195.34 is: 3,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.67 : 4,063.53 = 2,195.34 : x
  2. Step 2: Convert to fraction form
    2,942.67/4,063.53 = 2,195.34/x
  3. Step 3: Cross multiply
    2,942.67x = 4,063.53 × 2,195.34
  4. Step 4: Simplify right side
    2,942.67x = 8,920,814.71
  5. Step 5: Solve for x
    x = 8,920,814.71/2,942.67
  6. Step 6: Final answer
    x = 3,031.53

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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.