Home / 3,042.90-4,198.33-2,098.95

Finding the Fourth Proportional to 3,042.90, 4,198.33 and 2,098.95

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Solution

The fourth proportional to 3,042.90, 4,198.33 and 2,098.95 is: 2,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.90 : 4,198.33 = 2,098.95 : x
  2. Step 2: Convert to fraction form
    3,042.90/4,198.33 = 2,098.95/x
  3. Step 3: Cross multiply
    3,042.90x = 4,198.33 × 2,098.95
  4. Step 4: Simplify right side
    3,042.90x = 8,812,071.63
  5. Step 5: Solve for x
    x = 8,812,071.63/3,042.90
  6. Step 6: Final answer
    x = 2,895.95

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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.