Home / 2,957.72-4,073.35-2,893.14

Finding the Fourth Proportional to 2,957.72, 4,073.35 and 2,893.14

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Solution

The fourth proportional to 2,957.72, 4,073.35 and 2,893.14 is: 3,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.72 : 4,073.35 = 2,893.14 : x
  2. Step 2: Convert to fraction form
    2,957.72/4,073.35 = 2,893.14/x
  3. Step 3: Cross multiply
    2,957.72x = 4,073.35 × 2,893.14
  4. Step 4: Simplify right side
    2,957.72x = 11,784,765.25
  5. Step 5: Solve for x
    x = 11,784,765.25/2,957.72
  6. Step 6: Final answer
    x = 3,984.41

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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.