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Finding the Fourth Proportional to 4,491.90, 6,736.14 and 1,370.95

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Solution

The fourth proportional to 4,491.90, 6,736.14 and 1,370.95 is: 2,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.90 : 6,736.14 = 1,370.95 : x
  2. Step 2: Convert to fraction form
    4,491.90/6,736.14 = 1,370.95/x
  3. Step 3: Cross multiply
    4,491.90x = 6,736.14 × 1,370.95
  4. Step 4: Simplify right side
    4,491.90x = 9,234,894.29
  5. Step 5: Solve for x
    x = 9,234,894.29/4,491.90
  6. Step 6: Final answer
    x = 2,055.90

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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.