Home / 3,519.18-4,857.21-2,929.14

Finding the Fourth Proportional to 3,519.18, 4,857.21 and 2,929.14

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Solution

The fourth proportional to 3,519.18, 4,857.21 and 2,929.14 is: 4,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.18 : 4,857.21 = 2,929.14 : x
  2. Step 2: Convert to fraction form
    3,519.18/4,857.21 = 2,929.14/x
  3. Step 3: Cross multiply
    3,519.18x = 4,857.21 × 2,929.14
  4. Step 4: Simplify right side
    3,519.18x = 14,227,448.10
  5. Step 5: Solve for x
    x = 14,227,448.10/3,519.18
  6. Step 6: Final answer
    x = 4,042.83

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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.