Home / 5,711.80-8,567.71-3,515.93

Finding the Fourth Proportional to 5,711.80, 8,567.71 and 3,515.93

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Solution

The fourth proportional to 5,711.80, 8,567.71 and 3,515.93 is: 5,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.80 : 8,567.71 = 3,515.93 : x
  2. Step 2: Convert to fraction form
    5,711.80/8,567.71 = 3,515.93/x
  3. Step 3: Cross multiply
    5,711.80x = 8,567.71 × 3,515.93
  4. Step 4: Simplify right side
    5,711.80x = 30,123,425.78
  5. Step 5: Solve for x
    x = 30,123,425.78/5,711.80
  6. Step 6: Final answer
    x = 5,273.90

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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.