Home / 3,779.28-5,658.48-2,851.98

Finding the Fourth Proportional to 3,779.28, 5,658.48 and 2,851.98

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Solution

The fourth proportional to 3,779.28, 5,658.48 and 2,851.98 is: 4,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.28 : 5,658.48 = 2,851.98 : x
  2. Step 2: Convert to fraction form
    3,779.28/5,658.48 = 2,851.98/x
  3. Step 3: Cross multiply
    3,779.28x = 5,658.48 × 2,851.98
  4. Step 4: Simplify right side
    3,779.28x = 16,137,871.79
  5. Step 5: Solve for x
    x = 16,137,871.79/3,779.28
  6. Step 6: Final answer
    x = 4,270.09

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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.