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Finding the Fourth Proportional to 2,751.57, 4,148.94 and 2,521.95

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Solution

The fourth proportional to 2,751.57, 4,148.94 and 2,521.95 is: 3,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.57 : 4,148.94 = 2,521.95 : x
  2. Step 2: Convert to fraction form
    2,751.57/4,148.94 = 2,521.95/x
  3. Step 3: Cross multiply
    2,751.57x = 4,148.94 × 2,521.95
  4. Step 4: Simplify right side
    2,751.57x = 10,463,419.23
  5. Step 5: Solve for x
    x = 10,463,419.23/2,751.57
  6. Step 6: Final answer
    x = 3,802.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.