Home / 5,874.84-8,105.76-3,637.80

Finding the Fourth Proportional to 5,874.84, 8,105.76 and 3,637.80

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Solution

The fourth proportional to 5,874.84, 8,105.76 and 3,637.80 is: 5,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.84 : 8,105.76 = 3,637.80 : x
  2. Step 2: Convert to fraction form
    5,874.84/8,105.76 = 3,637.80/x
  3. Step 3: Cross multiply
    5,874.84x = 8,105.76 × 3,637.80
  4. Step 4: Simplify right side
    5,874.84x = 29,487,133.73
  5. Step 5: Solve for x
    x = 29,487,133.73/5,874.84
  6. Step 6: Final answer
    x = 5,019.22

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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.