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Finding the Fourth Proportional to 3,392.35, 5,088.35 and 1,083.67

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Solution

The fourth proportional to 3,392.35, 5,088.35 and 1,083.67 is: 1,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.35 : 5,088.35 = 1,083.67 : x
  2. Step 2: Convert to fraction form
    3,392.35/5,088.35 = 1,083.67/x
  3. Step 3: Cross multiply
    3,392.35x = 5,088.35 × 1,083.67
  4. Step 4: Simplify right side
    3,392.35x = 5,514,086.83
  5. Step 5: Solve for x
    x = 5,514,086.83/3,392.35
  6. Step 6: Final answer
    x = 1,625.45

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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.