Home / 2,874.03-3,962.48-1,877.73

Finding the Fourth Proportional to 2,874.03, 3,962.48 and 1,877.73

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Solution

The fourth proportional to 2,874.03, 3,962.48 and 1,877.73 is: 2,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.03 : 3,962.48 = 1,877.73 : x
  2. Step 2: Convert to fraction form
    2,874.03/3,962.48 = 1,877.73/x
  3. Step 3: Cross multiply
    2,874.03x = 3,962.48 × 1,877.73
  4. Step 4: Simplify right side
    2,874.03x = 7,440,458.18
  5. Step 5: Solve for x
    x = 7,440,458.18/2,874.03
  6. Step 6: Final answer
    x = 2,588.86

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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.