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Finding the Fourth Proportional to 3,751.79, 5,626.26 and 1,252.46

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Solution

The fourth proportional to 3,751.79, 5,626.26 and 1,252.46 is: 1,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.79 : 5,626.26 = 1,252.46 : x
  2. Step 2: Convert to fraction form
    3,751.79/5,626.26 = 1,252.46/x
  3. Step 3: Cross multiply
    3,751.79x = 5,626.26 × 1,252.46
  4. Step 4: Simplify right side
    3,751.79x = 7,046,679.67
  5. Step 5: Solve for x
    x = 7,046,679.67/3,751.79
  6. Step 6: Final answer
    x = 1,878.22

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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.