Home / 3,798.29-5,243.84-2,894.94

Finding the Fourth Proportional to 3,798.29, 5,243.84 and 2,894.94

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Solution

The fourth proportional to 3,798.29, 5,243.84 and 2,894.94 is: 3,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.29 : 5,243.84 = 2,894.94 : x
  2. Step 2: Convert to fraction form
    3,798.29/5,243.84 = 2,894.94/x
  3. Step 3: Cross multiply
    3,798.29x = 5,243.84 × 2,894.94
  4. Step 4: Simplify right side
    3,798.29x = 15,180,598.55
  5. Step 5: Solve for x
    x = 15,180,598.55/3,798.29
  6. Step 6: Final answer
    x = 3,996.69

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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.