Home / 3,880.84-5,821.50-1,144.84

Finding the Fourth Proportional to 3,880.84, 5,821.50 and 1,144.84

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Solution

The fourth proportional to 3,880.84, 5,821.50 and 1,144.84 is: 1,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.84 : 5,821.50 = 1,144.84 : x
  2. Step 2: Convert to fraction form
    3,880.84/5,821.50 = 1,144.84/x
  3. Step 3: Cross multiply
    3,880.84x = 5,821.50 × 1,144.84
  4. Step 4: Simplify right side
    3,880.84x = 6,664,686.06
  5. Step 5: Solve for x
    x = 6,664,686.06/3,880.84
  6. Step 6: Final answer
    x = 1,717.33

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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.