Home / 3,801.86-5,704.76-2,877.14

Finding the Fourth Proportional to 3,801.86, 5,704.76 and 2,877.14

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Solution

The fourth proportional to 3,801.86, 5,704.76 and 2,877.14 is: 4,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.86 : 5,704.76 = 2,877.14 : x
  2. Step 2: Convert to fraction form
    3,801.86/5,704.76 = 2,877.14/x
  3. Step 3: Cross multiply
    3,801.86x = 5,704.76 × 2,877.14
  4. Step 4: Simplify right side
    3,801.86x = 16,413,393.19
  5. Step 5: Solve for x
    x = 16,413,393.19/3,801.86
  6. Step 6: Final answer
    x = 4,317.20

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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.