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Finding the Fourth Proportional to 1,874.75, 2,587.19 and 1,088.73

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Solution

The fourth proportional to 1,874.75, 2,587.19 and 1,088.73 is: 1,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.75 : 2,587.19 = 1,088.73 : x
  2. Step 2: Convert to fraction form
    1,874.75/2,587.19 = 1,088.73/x
  3. Step 3: Cross multiply
    1,874.75x = 2,587.19 × 1,088.73
  4. Step 4: Simplify right side
    1,874.75x = 2,816,745.93
  5. Step 5: Solve for x
    x = 2,816,745.93/1,874.75
  6. Step 6: Final answer
    x = 1,502.47

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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.