Home / 2,880.33-3,972.96-2,292.27

Finding the Fourth Proportional to 2,880.33, 3,972.96 and 2,292.27

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Solution

The fourth proportional to 2,880.33, 3,972.96 and 2,292.27 is: 3,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.33 : 3,972.96 = 2,292.27 : x
  2. Step 2: Convert to fraction form
    2,880.33/3,972.96 = 2,292.27/x
  3. Step 3: Cross multiply
    2,880.33x = 3,972.96 × 2,292.27
  4. Step 4: Simplify right side
    2,880.33x = 9,107,097.02
  5. Step 5: Solve for x
    x = 9,107,097.02/2,880.33
  6. Step 6: Final answer
    x = 3,161.82

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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.