Home / 5,771.72-8,658.60-1,875.44

Finding the Fourth Proportional to 5,771.72, 8,658.60 and 1,875.44

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Solution

The fourth proportional to 5,771.72, 8,658.60 and 1,875.44 is: 2,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.72 : 8,658.60 = 1,875.44 : x
  2. Step 2: Convert to fraction form
    5,771.72/8,658.60 = 1,875.44/x
  3. Step 3: Cross multiply
    5,771.72x = 8,658.60 × 1,875.44
  4. Step 4: Simplify right side
    5,771.72x = 16,238,684.78
  5. Step 5: Solve for x
    x = 16,238,684.78/5,771.72
  6. Step 6: Final answer
    x = 2,813.49

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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.